21023030241234 has 24 divisors (see below), whose sum is σ = 52057027264320. Its totient is φ = 6006580068888.

The previous prime is 21023030241193. The next prime is 21023030241271. The reversal of 21023030241234 is 43214203032012.

21023030241234 is a `hidden beast` number, since 2 + 1 + 0 + 230 + 302 + 4 + 123 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21023030241198 and 21023030241207.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83424723054 + ... + 83424723305.

It is an arithmetic number, because the mean of its divisors is an integer number (2169042802680).

Almost surely, 2^{21023030241234} is an apocalyptic number.

21023030241234 is an abundant number, since it is smaller than the sum of its proper divisors (31033997023086).

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

21023030241234 is a wasteful number, since it uses less digits than its factorization.

21023030241234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166849446374 (or 166849446371 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 21023030241234 its reverse (43214203032012), we get a palindrome (64237233273246).

The spelling of 21023030241234 in words is "twenty-one trillion, twenty-three billion, thirty million, two hundred forty-one thousand, two hundred thirty-four".