123365763825 has 24 divisors (see below), whose sum is σ = 203974944768. Its totient is φ = 65791778880.

The previous prime is 123365763811. The next prime is 123365763827. The reversal of 123365763825 is 528367563321.

It is not a de Polignac number, because 123365763825 - 2¹⁵ = 123365731057 is a prime.

It is a super-2 number, since 2×123365763825² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123365763827) 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 23 ways as a sum of consecutive naturals, for example, 2525584 + ... + 2573966.

It is an arithmetic number, because the mean of its divisors is an integer number (8498956032).

Almost surely, 2^123365763825 is an apocalyptic number.

123365763825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123365763825 is a deficient number, since it is larger than the sum of its proper divisors (80609180943).

123365763825 is a wasteful number, since it uses less digits than its factorization.

123365763825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82393 (or 82388 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 51.

The spelling of 123365763825 in words is "one hundred twenty-three billion, three hundred sixty-five million, seven hundred sixty-three thousand, eight hundred twenty-five".