423715970 has 16 divisors (see below), whose sum is σ = 763371000. Its totient is φ = 169334784.

The previous prime is 423715969. The next prime is 423715991. The reversal of 423715970 is 79517324.

It can be written as a sum of positive squares in 4 ways, for example, as 316448521 + 107267449 = 17789^2 + 10357^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6845 + ... + 29904.

Almost surely, 2^423715970 is an apocalyptic number.

423715970 is a deficient number, since it is larger than the sum of its proper divisors (339655030).

423715970 is a wasteful number, since it uses less digits than its factorization.

423715970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37909.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 423715970 is about 20584.3622684794. The cubic root of 423715970 is about 751.0893621393.

The spelling of 423715970 in words is "four hundred twenty-three million, seven hundred fifteen thousand, nine hundred seventy".