23131134421432 has 32 divisors (see below), whose sum is σ = 45256963370400. Its totient is φ = 11062619656704.

The previous prime is 23131134421427. The next prime is 23131134421453. The reversal of 23131134421432 is 23412443113132.

It is a happy number.

It is a congruent number.

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, 23348068 + ... + 24318604.

It is an arithmetic number, because the mean of its divisors is an integer number (1414280105325).

Almost surely, 2^{23131134421432} is an apocalyptic number.

It is an amenable number.

23131134421432 is a deficient number, since it is larger than the sum of its proper divisors (22125828948968).

23131134421432 is a wasteful number, since it uses less digits than its factorization.

23131134421432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100095 (or 1100091 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

Adding to 23131134421432 its reverse (23412443113132), we get a palindrome (46543577534564).

The spelling of 23131134421432 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred thirty-four million, four hundred twenty-one thousand, four hundred thirty-two".