23431432430320 has 80 divisors (see below), whose sum is σ = 55372766460768. Its totient is φ = 9218657387520.

The previous prime is 23431432430281. The next prime is 23431432430347. The reversal of 23431432430320 is 2303423413432.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313439187 + ... + 313513933.

Almost surely, 2^{23431432430320} is an apocalyptic number.

23431432430320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23431432430320 is an abundant number, since it is smaller than the sum of its proper divisors (31941334030448).

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

23431432430320 is a wasteful number, since it uses less digits than its factorization.

23431432430320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139058 (or 139052 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 23431432430320 its reverse (2303423413432), we get a palindrome (25734855843752).

The spelling of 23431432430320 in words is "twenty-three trillion, four hundred thirty-one billion, four hundred thirty-two million, four hundred thirty thousand, three hundred twenty".