123843154081400 has 48 divisors (see below), whose sum is σ = 310084205033400. Its totient is φ = 45726703044480.

The previous prime is 123843154081393. The next prime is 123843154081429. The reversal of 123843154081400 is 4180451348321.

It is a happy number.

It is a congruent number.

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, 23815988570 + ... + 23815993769.

Almost surely, 2^{123843154081400} is an apocalyptic number.

123843154081400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123843154081400 is an abundant number, since it is smaller than the sum of its proper divisors (186241050952000).

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

123843154081400 is a wasteful number, since it uses less digits than its factorization.

123843154081400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47631982368 (or 47631982359 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 123843154081400 in words is "one hundred twenty-three trillion, eight hundred forty-three billion, one hundred fifty-four million, eighty-one thousand, four hundred".