23033051531 has 8 divisors (see below), whose sum is σ = 26326671360. Its totient is φ = 19740227688.

The previous prime is 23033051527. The next prime is 23033051537. The reversal of 23033051531 is 13515033032.

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

It is a cyclic number.

It is not a de Polignac number, because 23033051531 - 2² = 23033051527 is a prime.

It is a super-2 number, since 2×23033051531² (a number of 22 digits) contains 22 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 23033051531.

It is not an unprimeable number, because it can be changed into a prime (23033051537) 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, 135641 + ... + 253898.

It is an arithmetic number, because the mean of its divisors is an integer number (3290833920).

Almost surely, 2^23033051531 is an apocalyptic number.

23033051531 is a deficient number, since it is larger than the sum of its proper divisors (3293619829).

23033051531 is an equidigital number, since it uses as much as digits as its factorization.

23033051531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397993.

The product of its (nonzero) digits is 4050, while the sum is 26.

Adding to 23033051531 its reverse (13515033032), we get a palindrome (36548084563).

The spelling of 23033051531 in words is "twenty-three billion, thirty-three million, fifty-one thousand, five hundred thirty-one".