423751888 has 80 divisors (see below), whose sum is σ = 958946560. Its totient is φ = 177666048.

The previous prime is 423751871. The next prime is 423751901. The reversal of 423751888 is 888157324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1257256 + ... + 1257592.

It is an arithmetic number, because the mean of its divisors is an integer number (11986832).

Almost surely, 2^423751888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423751888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479473280).

423751888 is an abundant number, since it is smaller than the sum of its proper divisors (535194672).

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

423751888 is a wasteful number, since it uses less digits than its factorization.

423751888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 558 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 423751888 is about 20585.2347084020. The cubic root of 423751888 is about 751.1105845834.

The spelling of 423751888 in words is "four hundred twenty-three million, seven hundred fifty-one thousand, eight hundred eighty-eight".