21230030023192 has 16 divisors (see below), whose sum is σ = 39807188987400. Its totient is φ = 10614779626560.

The previous prime is 21230030023151. The next prime is 21230030023193. The reversal of 21230030023192 is 29132003003212.

It is a self number, because there is not a number n which added to its sum of digits gives 21230030023192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230030023193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29039517 + ... + 29761612.

Almost surely, 2^{21230030023192} is an apocalyptic number.

It is an amenable number.

21230030023192 is a deficient number, since it is larger than the sum of its proper divisors (18577158964208).

21230030023192 is a wasteful number, since it uses less digits than its factorization.

21230030023192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58846266 (or 58846262 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 21230030023192 in words is "twenty-one trillion, two hundred thirty billion, thirty million, twenty-three thousand, one hundred ninety-two".