23123131303132 has 12 divisors (see below), whose sum is σ = 46246262606320. Its totient is φ = 9909913415616.

The previous prime is 23123131303079. The next prime is 23123131303159. The reversal of 23123131303132 is 23130313132132.

It is a happy number.

23123131303132 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 825826117969 = 23123131303132 / (2 + 3 + 1 + 2 + 3 + 1 + 3 + 1 + 3 + 0 + 3 + 1 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 23123131303132.

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, 412913058957 + ... + 412913059012.

Almost surely, 2^{23123131303132} is an apocalyptic number.

It is an amenable number.

23123131303132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23123131303132 is a wasteful number, since it uses less digits than its factorization.

23123131303132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825826117980 (or 825826117978 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 23123131303132 its reverse (23130313132132), we get a palindrome (46253444435264).

The spelling of 23123131303132 in words is "twenty-three trillion, one hundred twenty-three billion, one hundred thirty-one million, three hundred three thousand, one hundred thirty-two".