23031120234 has 16 divisors (see below), whose sum is σ = 46068544800. Its totient is φ = 7675989360.

The previous prime is 23031120187. The next prime is 23031120257. The reversal of 23031120234 is 43202113032.

It is a self number, because there is not a number n which added to its sum of digits gives 23031120234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214509 + ... + 303440.

It is an arithmetic number, because the mean of its divisors is an integer number (2879284050).

Almost surely, 2^23031120234 is an apocalyptic number.

23031120234 is an abundant number, since it is smaller than the sum of its proper divisors (23037424566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23031120234 is a wasteful number, since it uses less digits than its factorization.

23031120234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525365.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23031120234 its reverse (43202113032), we get a palindrome (66233233266).

The spelling of 23031120234 in words is "twenty-three billion, thirty-one million, one hundred twenty thousand, two hundred thirty-four".