20230023312 has 60 divisors (see below), whose sum is σ = 56673156540. Its totient is φ = 6736529664.

The previous prime is 20230023263. The next prime is 20230023413. The reversal of 20230023312 is 21332003202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15196972176 + 5033051136 = 123276^2 + 70944^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73114 + ... + 214022.

It is an arithmetic number, because the mean of its divisors is an integer number (944552609).

Almost surely, 2^20230023312 is an apocalyptic number.

It is an amenable number.

20230023312 is an abundant number, since it is smaller than the sum of its proper divisors (36443133228).

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

20230023312 is a wasteful number, since it uses less digits than its factorization.

20230023312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141920 (or 141911 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20230023312 its reverse (21332003202), we get a palindrome (41562026514).

The spelling of 20230023312 in words is "twenty billion, two hundred thirty million, twenty-three thousand, three hundred twelve".