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23441232322421 = 27898404887889
BaseRepresentation
bin1010101010001110101100…
…10100110101111101110101
310001222221220210012011011022
411111013112110311331311
511033030120433304141
6121504430425350525
74636400406106364
oct525072624657565
9101887823164138
1023441232322421
117518409597231
122767099338445
131010663904a94
145b07c14297db
152a9b60c7cb4b
hex1551d6535f75

23441232322421 has 4 divisors (see below), whose sum is σ = 23449637213100. Its totient is φ = 23432827431744.

The previous prime is 23441232322411. The next prime is 23441232322471. The reversal of 23441232322421 is 12422323214432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15319701293521 + 8121531028900 = 3914039^2 + 2849830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23441232322421 is a prime.

It is a super-3 number, since 3×234412323224213 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23441232322411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4202441156 + ... + 4202446733.

It is an arithmetic number, because the mean of its divisors is an integer number (5862409303275).

Almost surely, 223441232322421 is an apocalyptic number.

It is an amenable number.

23441232322421 is a deficient number, since it is larger than the sum of its proper divisors (8404890679).

23441232322421 is an equidigital number, since it uses as much as digits as its factorization.

23441232322421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8404890678.

The product of its digits is 110592, while the sum is 35.

Adding to 23441232322421 its reverse (12422323214432), we get a palindrome (35863555536853).

The spelling of 23441232322421 in words is "twenty-three trillion, four hundred forty-one billion, two hundred thirty-two million, three hundred twenty-two thousand, four hundred twenty-one".

Divisors: 1 2789 8404887889 23441232322421