423231040320 has 112 divisors (see below), whose sum is σ = 1465918458048. Its totient is φ = 102601461760.

The previous prime is 423231040279. The next prime is 423231040357. The reversal of 423231040320 is 23040132324.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 20028789 + ... + 20049908.

Almost surely, 2^423231040320 is an apocalyptic number.

423231040320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423231040320 is an abundant number, since it is smaller than the sum of its proper divisors (1042687417728).

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

423231040320 is a wasteful number, since it uses less digits than its factorization.

423231040320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40078728 (or 40078718 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 423231040320 its reverse (23040132324), we get a palindrome (446271172644).

The spelling of 423231040320 in words is "four hundred twenty-three billion, two hundred thirty-one million, forty thousand, three hundred twenty".