23031230032 has 10 divisors (see below), whose sum is σ = 44623008218. Its totient is φ = 11515615008.

The previous prime is 23031229939. The next prime is 23031230041. The reversal of 23031230032 is 23003213032.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13343946256 + 9687283776 = 115516^2 + 98424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23031229991 and 23031230009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719725923 + ... + 719725954.

Almost surely, 2^23031230032 is an apocalyptic number.

It is an amenable number.

23031230032 is a deficient number, since it is larger than the sum of its proper divisors (21591778186).

23031230032 is a wasteful number, since it uses less digits than its factorization.

23031230032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439451885 (or 1439451879 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23031230032 its reverse (23003213032), we get a palindrome (46034443064).

The spelling of 23031230032 in words is "twenty-three billion, thirty-one million, two hundred thirty thousand, thirty-two".