23031421232 has 40 divisors (see below), whose sum is σ = 46085300352. Its totient is φ = 11138803200.

The previous prime is 23031421213. The next prime is 23031421267. The reversal of 23031421232 is 23212413032.

It is a junction number, because it is equal to n+sod(n) for n = 23031421198 and 23031421207.

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 7 ways as a sum of consecutive naturals, for example, 1121198 + ... + 1141554.

Almost surely, 2^23031421232 is an apocalyptic number.

It is an amenable number.

23031421232 is an abundant number, since it is smaller than the sum of its proper divisors (23053879120).

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

23031421232 is a wasteful number, since it uses less digits than its factorization.

23031421232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22677 (or 22671 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23031421232 its reverse (23212413032), we get a palindrome (46243834264).

The spelling of 23031421232 in words is "twenty-three billion, thirty-one million, four hundred twenty-one thousand, two hundred thirty-two".