23031213032 has 8 divisors (see below), whose sum is σ = 43183524450. Its totient is φ = 11515606512.

The previous prime is 23031213031. The next prime is 23031213043.

23031213032 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 17420304196 + 5610908836 = 131986^2 + 74906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 23031212995 and 23031213013.

It is not an unprimeable number, because it can be changed into a prime (23031213031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439450807 + ... + 1439450822.

Almost surely, 2^23031213032 is an apocalyptic number.

It is an amenable number.

23031213032 is a deficient number, since it is larger than the sum of its proper divisors (20152311418).

23031213032 is a wasteful number, since it uses less digits than its factorization.

23031213032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878901635 (or 2878901631 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The spelling of 23031213032 in words is "twenty-three billion, thirty-one million, two hundred thirteen thousand, thirty-two".