423958888930 has 8 divisors (see below), whose sum is σ = 763126000092. Its totient is φ = 169583555568.

The previous prime is 423958888909. The next prime is 423958888931. The reversal of 423958888930 is 39888859324.

It can be written as a sum of positive squares in 2 ways, for example, as 422329717161 + 1629171769 = 649869^2 + 40363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×423958888930² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423958888931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21197944437 + ... + 21197944456.

Almost surely, 2^423958888930 is an apocalyptic number.

423958888930 is a deficient number, since it is larger than the sum of its proper divisors (339167111162).

423958888930 is a wasteful number, since it uses less digits than its factorization.

423958888930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42395888900.

The product of its (nonzero) digits is 119439360, while the sum is 67.

The spelling of 423958888930 in words is "four hundred twenty-three billion, nine hundred fifty-eight million, eight hundred eighty-eight thousand, nine hundred thirty".