423540605625 has 20 divisors (see below), whose sum is σ = 705675124176. Its totient is φ = 225888322000.

The previous prime is 423540605617. The next prime is 423540605633. The reversal of 423540605625 is 526506045324.

It is an interprime number because it is at equal distance from previous prime (423540605617) and next prime (423540605633).

It is not a de Polignac number, because 423540605625 - 2³ = 423540605617 is a prime.

It is a super-2 number, since 2×423540605625² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112942287 + ... + 112946036.

Almost surely, 2^423540605625 is an apocalyptic number.

It is an amenable number.

423540605625 is a deficient number, since it is larger than the sum of its proper divisors (282134518551).

423540605625 is an equidigital number, since it uses as much as digits as its factorization.

423540605625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225888346 (or 225888331 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 423540605625 in words is "four hundred twenty-three billion, five hundred forty million, six hundred five thousand, six hundred twenty-five".