23021000130312 has 80 divisors (see below), whose sum is σ = 67283599458240. Its totient is φ = 7340029022304.

The previous prime is 23021000130311. The next prime is 23021000130313. The reversal of 23021000130312 is 21303100012032.

It is an interprime number because it is at equal distance from previous prime (23021000130311) and next prime (23021000130313).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23021000130311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 772294548 + ... + 772324355.

It is an arithmetic number, because the mean of its divisors is an integer number (841044993228).

Almost surely, 2^{23021000130312} is an apocalyptic number.

It is an amenable number.

23021000130312 is an abundant number, since it is smaller than the sum of its proper divisors (44262599327928).

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

23021000130312 is a wasteful number, since it uses less digits than its factorization.

23021000130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544618944 (or 1544618931 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23021000130312 its reverse (21303100012032), we get a palindrome (44324100142344).

The spelling of 23021000130312 in words is "twenty-three trillion, twenty-one billion, one hundred thirty thousand, three hundred twelve".