123663925 has 48 divisors (see below), whose sum is σ = 192701952. Its totient is φ = 76478400.

The previous prime is 123663907. The next prime is 123663931. The reversal of 123663925 is 529366321.

It is not a de Polignac number, because 123663925 - 2¹⁹ = 123139637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 436834 + ... + 437116.

It is an arithmetic number, because the mean of its divisors is an integer number (4014624).

Almost surely, 2^123663925 is an apocalyptic number.

It is an amenable number.

123663925 is a deficient number, since it is larger than the sum of its proper divisors (69038027).

123663925 is a wasteful number, since it uses less digits than its factorization.

123663925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 533 counting only the distinct ones).

The product of its digits is 58320, while the sum is 37.

The square root of 123663925 is about 11120.4282741269. The cubic root of 123663925 is about 498.2121816973.

The spelling of 123663925 in words is "one hundred twenty-three million, six hundred sixty-three thousand, nine hundred twenty-five".