123430366340400 has 120 divisors (see below), whose sum is σ = 451872693566464. Its totient is φ = 28212655161600.

The previous prime is 123430366340261. The next prime is 123430366340401. The reversal of 123430366340400 is 4043663034321.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (123430366340401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7347037216 + ... + 7347054015.

Almost surely, 2^{123430366340400} is an apocalyptic number.

123430366340400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123430366340400 is an abundant number, since it is smaller than the sum of its proper divisors (328442327226064).

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

123430366340400 is a wasteful number, since it uses less digits than its factorization.

123430366340400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14694091259 (or 14694091248 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 39.

The spelling of 123430366340400 in words is "one hundred twenty-three trillion, four hundred thirty billion, three hundred sixty-six million, three hundred forty thousand, four hundred".