23231133434012 has 24 divisors (see below), whose sum is σ = 47155733541504. Its totient is φ = 9807600041712.

The previous prime is 23231133434009. The next prime is 23231133434017. The reversal of 23231133434012 is 21043433113232.

It is a super-2 number, since 2×23231133434012² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23231133434012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231133434017) 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, 6191664818 + ... + 6191668569.

It is an arithmetic number, because the mean of its divisors is an integer number (1964822230896).

Almost surely, 2^{23231133434012} is an apocalyptic number.

It is an amenable number.

23231133434012 is an abundant number, since it is smaller than the sum of its proper divisors (23924600107492).

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

23231133434012 is a wasteful number, since it uses less digits than its factorization.

23231133434012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12383333465 (or 12383333463 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 23231133434012 its reverse (21043433113232), we get a palindrome (44274566547244).

The spelling of 23231133434012 in words is "twenty-three trillion, two hundred thirty-one billion, one hundred thirty-three million, four hundred thirty-four thousand, twelve".