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23444132423 = 101232120123
BaseRepresentation
bin10101110101011000…
…010001001001000111
32020111212021022201212
4111311120101021013
5341003144214143
614434201042035
71456652560205
oct256530211107
966455238655
1023444132423
119a40668758
12466348631b
1322980b320a
1411c58a0075
159232de918
hex575611247

23444132423 has 4 divisors (see below), whose sum is σ = 23676252648. Its totient is φ = 23212012200.

The previous prime is 23444132417. The next prime is 23444132513. The reversal of 23444132423 is 32423144432.

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 23444132423 - 218 = 23443870279 is a prime.

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 23444132423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23444122423) 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, 116059961 + ... + 116060162.

It is an arithmetic number, because the mean of its divisors is an integer number (5919063162).

Almost surely, 223444132423 is an apocalyptic number.

23444132423 is a deficient number, since it is larger than the sum of its proper divisors (232120225).

23444132423 is a wasteful number, since it uses less digits than its factorization.

23444132423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232120224.

The product of its digits is 55296, while the sum is 32.

Adding to 23444132423 its reverse (32423144432), we get a palindrome (55867276855).

The spelling of 23444132423 in words is "twenty-three billion, four hundred forty-four million, one hundred thirty-two thousand, four hundred twenty-three".

Divisors: 1 101 232120123 23444132423