23031030321 has 16 divisors (see below), whose sum is σ = 36744664320. Its totient is φ = 14172941520.

The previous prime is 23031030301. The next prime is 23031030371. The reversal of 23031030321 is 12303013032.

23031030321 is a `hidden beast` number, since 2 + 3 + 0 + 310 + 30 + 321 = 666.

It is not a de Polignac number, because 23031030321 - 2¹⁴ = 23031013937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23031030294 and 23031030303.

It is not an unprimeable number, because it can be changed into a prime (23031030301) 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, 32807385 + ... + 32808086.

It is an arithmetic number, because the mean of its divisors is an integer number (2296541520).

Almost surely, 2^23031030321 is an apocalyptic number.

It is an amenable number.

23031030321 is a deficient number, since it is larger than the sum of its proper divisors (13713633999).

23031030321 is a wasteful number, since it uses less digits than its factorization.

23031030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65615493 (or 65615487 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 23031030321 its reverse (12303013032), we get a palindrome (35334043353).

The spelling of 23031030321 in words is "twenty-three billion, thirty-one million, thirty thousand, three hundred twenty-one".