23022031012 has 6 divisors (see below), whose sum is σ = 40288554278. Its totient is φ = 11511015504.

The previous prime is 23022030971. The next prime is 23022031013. The reversal of 23022031012 is 21013022032.

It can be written as a sum of positive squares in only one way, i.e., 13475959396 + 9546071616 = 116086^2 + 97704^2 .

It is not an unprimeable number, because it can be changed into a prime (23022031013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2877753873 + ... + 2877753880.

Almost surely, 2^23022031012 is an apocalyptic number.

It is an amenable number.

23022031012 is a deficient number, since it is larger than the sum of its proper divisors (17266523266).

23022031012 is a wasteful number, since it uses less digits than its factorization.

23022031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755507757 (or 5755507755 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23022031012 its reverse (21013022032), we get a palindrome (44035053044).

The spelling of 23022031012 in words is "twenty-three billion, twenty-two million, thirty-one thousand, twelve".