23031030320 has 20 divisors (see below), whose sum is σ = 53547145680. Its totient is φ = 9212412096.

The previous prime is 23031030301. The next prime is 23031030371. The reversal of 23031030320 is 2303013032.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143943860 + ... + 143944019.

It is an arithmetic number, because the mean of its divisors is an integer number (2677357284).

Almost surely, 2^23031030320 is an apocalyptic number.

23031030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23031030320 is an abundant number, since it is smaller than the sum of its proper divisors (30516115360).

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

23031030320 is a wasteful number, since it uses less digits than its factorization.

23031030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287887892 (or 287887886 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 23031030320 its reverse (2303013032), we get a palindrome (25334043352).

The spelling of 23031030320 in words is "twenty-three billion, thirty-one million, thirty thousand, three hundred twenty".