123405152104143 has 24 divisors (see below), whose sum is σ = 219386937075488. Its totient is φ = 65092827483072.

The previous prime is 123405152104111. The next prime is 123405152104187. The reversal of 123405152104143 is 341401251504321.

123405152104143 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 0 + 51 + 521 + 0 + 41 + 43 = 666.

It is not a de Polignac number, because 123405152104143 - 2⁵ = 123405152104111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123405152104098 and 123405152104107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123405152104243) 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, 75338919880 + ... + 75338921517.

Almost surely, 2^{123405152104143} is an apocalyptic number.

123405152104143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123405152104143 is a deficient number, since it is larger than the sum of its proper divisors (95981784971345).

123405152104143 is a wasteful number, since it uses less digits than its factorization.

123405152104143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150677841423 (or 150677841420 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 123405152104143 in words is "one hundred twenty-three trillion, four hundred five billion, one hundred fifty-two million, one hundred four thousand, one hundred forty-three".