123650628025 has 12 divisors (see below), whose sum is σ = 153619962832. Its totient is φ = 98731351440.

The previous prime is 123650628019. The next prime is 123650628037. The reversal of 123650628025 is 520826056321.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-123650628025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4715439 + ... + 4741588.

Almost surely, 2^123650628025 is an apocalyptic number.

It is an amenable number.

123650628025 is a deficient number, since it is larger than the sum of its proper divisors (29969334807).

123650628025 is an equidigital number, since it uses as much as digits as its factorization.

123650628025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9457560 (or 9457555 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 123650628025 in words is "one hundred twenty-three billion, six hundred fifty million, six hundred twenty-eight thousand, twenty-five".