423634725 has 48 divisors (see below), whose sum is σ = 780307200. Its totient is φ = 225336960.

The previous prime is 423634711. The next prime is 423634741. The reversal of 423634725 is 527436324.

It is not a de Polignac number, because 423634725 - 2⁴ = 423634709 is a prime.

Its product of digits (120960) is a multiple of the sum of its prime divisors (1680).

It is a self number, because there is not a number n which added to its sum of digits gives 423634725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383524 + ... + 384626.

It is an arithmetic number, because the mean of its divisors is an integer number (16256400).

Almost surely, 2^423634725 is an apocalyptic number.

423634725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423634725 is a deficient number, since it is larger than the sum of its proper divisors (356672475).

423634725 is a wasteful number, since it uses less digits than its factorization.

423634725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1680 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 423634725 is about 20582.3887097684. The cubic root of 423634725 is about 751.0413534415.

The spelling of 423634725 in words is "four hundred twenty-three million, six hundred thirty-four thousand, seven hundred twenty-five".