23030004431021 has 48 divisors (see below), whose sum is σ = 27186500718720. Its totient is φ = 19449816422400.

The previous prime is 23030004430999. The next prime is 23030004431039. The reversal of 23030004431021 is 12013440003032.

It is not a de Polignac number, because 23030004431021 - 2³⁰ = 23028930689197 is a prime.

It is a super-2 number, since 2×23030004431021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030004431821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1248161846 + ... + 1248180296.

It is an arithmetic number, because the mean of its divisors is an integer number (566385431640).

Almost surely, 2^{23030004431021} is an apocalyptic number.

It is an amenable number.

23030004431021 is a deficient number, since it is larger than the sum of its proper divisors (4156496287699).

23030004431021 is a wasteful number, since it uses less digits than its factorization.

23030004431021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19714 (or 19707 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23030004431021 its reverse (12013440003032), we get a palindrome (35043444434053).

The spelling of 23030004431021 in words is "twenty-three trillion, thirty billion, four million, four hundred thirty-one thousand, twenty-one".