423803928 has 16 divisors (see below), whose sum is σ = 1059509880. Its totient is φ = 141267968.

The previous prime is 423803927. The next prime is 423803929. The reversal of 423803928 is 829308324.

It is an interprime number because it is at equal distance from previous prime (423803927) and next prime (423803929).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423803927) 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, 8829225 + ... + 8829272.

Almost surely, 2^423803928 is an apocalyptic number.

It is an amenable number.

423803928 is an abundant number, since it is smaller than the sum of its proper divisors (635705952).

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

423803928 is a wasteful number, since it uses less digits than its factorization.

423803928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17658506 (or 17658502 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 423803928 is about 20586.4986823889. The cubic root of 423803928 is about 751.1413307157.

The spelling of 423803928 in words is "four hundred twenty-three million, eight hundred three thousand, nine hundred twenty-eight".