23312313420 has 96 divisors (see below), whose sum is σ = 71900075520. Its totient is φ = 5596584960.

The previous prime is 23312313419. The next prime is 23312313439. The reversal of 23312313420 is 2431321332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103485 + ... + 239444.

It is an arithmetic number, because the mean of its divisors is an integer number (748959120).

Almost surely, 2^23312313420 is an apocalyptic number.

23312313420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23312313420 is an abundant number, since it is smaller than the sum of its proper divisors (48587762100).

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

23312313420 is a wasteful number, since it uses less digits than its factorization.

23312313420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343055 (or 343053 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 23312313420 its reverse (2431321332), we get a palindrome (25743634752).

The spelling of 23312313420 in words is "twenty-three billion, three hundred twelve million, three hundred thirteen thousand, four hundred twenty".