20123412300231 has 16 divisors (see below), whose sum is σ = 26836318915200. Its totient is φ = 13413057203168.

The previous prime is 20123412300221. The next prime is 20123412300283. The reversal of 20123412300231 is 13200321432102.

It is a cyclic number.

It is not a de Polignac number, because 20123412300231 - 2³³ = 20114822365639 is a prime.

It is a super-2 number, since 2×20123412300231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123412300221) 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, 658926160 + ... + 658956698.

It is an arithmetic number, because the mean of its divisors is an integer number (1677269932200).

Almost surely, 2^{20123412300231} is an apocalyptic number.

20123412300231 is a deficient number, since it is larger than the sum of its proper divisors (6712906614969).

20123412300231 is a wasteful number, since it uses less digits than its factorization.

20123412300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65118.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20123412300231 its reverse (13200321432102), we get a palindrome (33323733732333).

The spelling of 20123412300231 in words is "twenty trillion, one hundred twenty-three billion, four hundred twelve million, three hundred thousand, two hundred thirty-one".