23101220031132 has 48 divisors (see below), whose sum is σ = 53935124503680. Its totient is φ = 7695796183872.

The previous prime is 23101220031061. The next prime is 23101220031163. The reversal of 23101220031132 is 23113002210132.

It is a junction number, because it is equal to n+sod(n) for n = 23101220031099 and 23101220031108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401333698 + ... + 401391254.

It is an arithmetic number, because the mean of its divisors is an integer number (1123648427160).

Almost surely, 2^{23101220031132} is an apocalyptic number.

It is an amenable number.

23101220031132 is an abundant number, since it is smaller than the sum of its proper divisors (30833904472548).

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

23101220031132 is a wasteful number, since it uses less digits than its factorization.

23101220031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77010 (or 77008 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 23101220031132 its reverse (23113002210132), we get a palindrome (46214222241264).

The spelling of 23101220031132 in words is "twenty-three trillion, one hundred one billion, two hundred twenty million, thirty-one thousand, one hundred thirty-two".