423013432320 has 352 divisors, whose sum is σ = 1555166491200. Its totient is φ = 108912771072.

The previous prime is 423013432313. The next prime is 423013432333. The reversal of 423013432320 is 23234310324.

423013432320 is a `hidden beast` number, since 4 + 2 + 301 + 3 + 4 + 32 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3956202 + ... + 4061718.

Almost surely, 2^423013432320 is an apocalyptic number.

423013432320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423013432320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777583245600).

423013432320 is an abundant number, since it is smaller than the sum of its proper divisors (1132153058880).

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

423013432320 is a wasteful number, since it uses less digits than its factorization.

423013432320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105580 (or 105556 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 423013432320 its reverse (23234310324), we get a palindrome (446247742644).

The spelling of 423013432320 in words is "four hundred twenty-three billion, thirteen million, four hundred thirty-two thousand, three hundred twenty".