23013534437 has 8 divisors (see below), whose sum is σ = 23810007000. Its totient is φ = 22217255424.

The previous prime is 23013534431. The next prime is 23013534469. The reversal of 23013534437 is 73443531032.

It can be written as a sum of positive squares in 4 ways, for example, as 15184647076 + 7828887361 = 123226^2 + 88481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23013534437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23013534397 and 23013534406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013534431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218573 + ... + 306269.

It is an arithmetic number, because the mean of its divisors is an integer number (2976250875).

Almost surely, 2^23013534437 is an apocalyptic number.

It is an amenable number.

23013534437 is a deficient number, since it is larger than the sum of its proper divisors (796472563).

23013534437 is an equidigital number, since it uses as much as digits as its factorization.

23013534437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96775.

The product of its (nonzero) digits is 90720, while the sum is 35.

The spelling of 23013534437 in words is "twenty-three billion, thirteen million, five hundred thirty-four thousand, four hundred thirty-seven".