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23421132023 = 88747263909
BaseRepresentation
bin10101110100000000…
…100001110011110111
32020110020222210010012
4111310000201303313
5340431302211043
614432020050435
71456253223512
oct256400416367
966406883105
1023421132023
119a29689163
124657833a1b
1322933bc203
1411c27d3d79
15921299a18
hex574021cf7

23421132023 has 4 divisors (see below), whose sum is σ = 23421484680. Its totient is φ = 23420779368.

The previous prime is 23421131959. The next prime is 23421132037. The reversal of 23421132023 is 32023112432.

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

It is a cyclic number.

It is not a de Polignac number, because 23421132023 - 26 = 23421131959 is a prime.

It is a super-3 number, since 3×234211320233 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23421132023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421138023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43208 + ... + 220701.

It is an arithmetic number, because the mean of its divisors is an integer number (5855371170).

Almost surely, 223421132023 is an apocalyptic number.

23421132023 is a deficient number, since it is larger than the sum of its proper divisors (352657).

23421132023 is an equidigital number, since it uses as much as digits as its factorization.

23421132023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352656.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23421132023 its reverse (32023112432), we get a palindrome (55444244455).

The spelling of 23421132023 in words is "twenty-three billion, four hundred twenty-one million, one hundred thirty-two thousand, twenty-three".

Divisors: 1 88747 263909 23421132023