123537960425 has 12 divisors (see below), whose sum is σ = 167113168656. Its totient is φ = 89845789200.

The previous prime is 123537960367. The next prime is 123537960443. The reversal of 123537960425 is 524069735321.

It is not a de Polignac number, because 123537960425 - 2⁶ = 123537960361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123537960425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224614199 + ... + 224614748.

It is an arithmetic number, because the mean of its divisors is an integer number (13926097388).

Almost surely, 2^123537960425 is an apocalyptic number.

It is an amenable number.

123537960425 is a deficient number, since it is larger than the sum of its proper divisors (43575208231).

123537960425 is a wasteful number, since it uses less digits than its factorization.

123537960425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449228968 (or 449228963 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 123537960425 in words is "one hundred twenty-three billion, five hundred thirty-seven million, nine hundred sixty thousand, four hundred twenty-five".