123400202200312 has 8 divisors (see below), whose sum is σ = 231375379125600. Its totient is φ = 61700101100152.

The previous prime is 123400202200279. The next prime is 123400202200343. The reversal of 123400202200312 is 213002202004321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7712512637512 + ... + 7712512637527.

It is an arithmetic number, because the mean of its divisors is an integer number (28921922390700).

Almost surely, 2^{123400202200312} is an apocalyptic number.

It is an amenable number.

123400202200312 is a deficient number, since it is larger than the sum of its proper divisors (107975176925288).

123400202200312 is a wasteful number, since it uses less digits than its factorization.

123400202200312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15425025275045 (or 15425025275041 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 123400202200312 its reverse (213002202004321), we get a palindrome (336402404204633).

The spelling of 123400202200312 in words is "one hundred twenty-three trillion, four hundred billion, two hundred two million, two hundred thousand, three hundred twelve".