123474407555 has 16 divisors (see below), whose sum is σ = 152964710400. Its totient is φ = 95583235680.

The previous prime is 123474407533. The next prime is 123474407561. The reversal of 123474407555 is 555704474321.

It is not a de Polignac number, because 123474407555 - 2¹⁸ = 123474145411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1706606 + ... + 1777484.

It is an arithmetic number, because the mean of its divisors is an integer number (9560294400).

Almost surely, 2^123474407555 is an apocalyptic number.

123474407555 is a deficient number, since it is larger than the sum of its proper divisors (29490302845).

123474407555 is a wasteful number, since it uses less digits than its factorization.

123474407555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82154.

The product of its (nonzero) digits is 2352000, while the sum is 47.

The spelling of 123474407555 in words is "one hundred twenty-three billion, four hundred seventy-four million, four hundred seven thousand, five hundred fifty-five".