123887652975 has 36 divisors (see below), whose sum is σ = 224570038056. Its totient is φ = 65277339840.

The previous prime is 123887652883. The next prime is 123887652979. The reversal of 123887652975 is 579256788321.

123887652975 is a `hidden beast` number, since 1 + 2 + 38 + 8 + 7 + 6 + 529 + 75 = 666.

It is not a de Polignac number, because 123887652975 - 2¹⁴ = 123887636591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123887652979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3298264 + ... + 3335613.

Almost surely, 2^123887652975 is an apocalyptic number.

123887652975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123887652975 is a deficient number, since it is larger than the sum of its proper divisors (100682385081).

123887652975 is a wasteful number, since it uses less digits than its factorization.

123887652975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6633976 (or 6633968 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 63.

The spelling of 123887652975 in words is "one hundred twenty-three billion, eight hundred eighty-seven million, six hundred fifty-two thousand, nine hundred seventy-five".