23367431620 has 48 divisors (see below), whose sum is σ = 52858351728. Its totient is φ = 8626014720.

The previous prime is 23367431611. The next prime is 23367431621. The reversal of 23367431620 is 2613476332.

It can be written as a sum of positive squares in 8 ways, for example, as 3353104836 + 20014326784 = 57906^2 + 141472^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23367431620.

It is not an unprimeable number, because it can be changed into a prime (23367431621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1662462 + ... + 1676458.

It is an arithmetic number, because the mean of its divisors is an integer number (1101215661).

Almost surely, 2^23367431620 is an apocalyptic number.

23367431620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23367431620 is an abundant number, since it is smaller than the sum of its proper divisors (29490920108).

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

23367431620 is a wasteful number, since it uses less digits than its factorization.

23367431620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20440 (or 20438 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 37.

The spelling of 23367431620 in words is "twenty-three billion, three hundred sixty-seven million, four hundred thirty-one thousand, six hundred twenty".