123758875215 has 16 divisors (see below), whose sum is σ = 220015778400. Its totient is φ = 66004733376.

The previous prime is 123758875213. The next prime is 123758875223. The reversal of 123758875215 is 512578857321.

It is a happy number.

123758875215 is a `hidden beast` number, since 1 + 2 + 3 + 7 + 588 + 7 + 52 + 1 + 5 = 666.

It is not a de Polignac number, because 123758875215 - 2¹ = 123758875213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123758875213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458366070 + ... + 458366339.

It is an arithmetic number, because the mean of its divisors is an integer number (13750986150).

Almost surely, 2^123758875215 is an apocalyptic number.

123758875215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123758875215 is a deficient number, since it is larger than the sum of its proper divisors (96256903185).

123758875215 is an equidigital number, since it uses as much as digits as its factorization.

123758875215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916732423 (or 916732417 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 54.

The spelling of 123758875215 in words is "one hundred twenty-three billion, seven hundred fifty-eight million, eight hundred seventy-five thousand, two hundred fifteen".