423450788118 has 16 divisors (see below), whose sum is σ = 861255840960. Its totient is φ = 138757885256.

The previous prime is 423450788093. The next prime is 423450788143. The reversal of 423450788118 is 811887054324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (423450788093) and next prime (423450788143).

It is a congruent number.

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, 598093980 + ... + 598094687.

It is an arithmetic number, because the mean of its divisors is an integer number (53828490060).

Almost surely, 2^423450788118 is an apocalyptic number.

423450788118 is an abundant number, since it is smaller than the sum of its proper divisors (437805052842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423450788118 is a wasteful number, since it uses less digits than its factorization.

423450788118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196188731.

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 423450788118 in words is "four hundred twenty-three billion, four hundred fifty million, seven hundred eighty-eight thousand, one hundred eighteen".