23231001212 has 12 divisors (see below), whose sum is σ = 40889249016. Its totient is φ = 11548358640.

The previous prime is 23231001169. The next prime is 23231001239. The reversal of 23231001212 is 21210013232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16784714 + ... + 16786097.

It is an arithmetic number, because the mean of its divisors is an integer number (3407437418).

Almost surely, 2^23231001212 is an apocalyptic number.

It is an amenable number.

23231001212 is a deficient number, since it is larger than the sum of its proper divisors (17658247804).

23231001212 is a wasteful number, since it uses less digits than its factorization.

23231001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33570988 (or 33570986 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23231001212 its reverse (21210013232), we get a palindrome (44441014444).

The spelling of 23231001212 in words is "twenty-three billion, two hundred thirty-one million, one thousand, two hundred twelve".