23310311330420 has 48 divisors (see below), whose sum is σ = 51717081104640. Its totient is φ = 8811058241664.

The previous prime is 23310311330357. The next prime is 23310311330447. The reversal of 23310311330420 is 2403311301332.

It is a super-2 number, since 2×23310311330420² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23310311330420.

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, 427527974 + ... + 427582493.

It is an arithmetic number, because the mean of its divisors is an integer number (1077439189680).

Almost surely, 2^{23310311330420} is an apocalyptic number.

23310311330420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23310311330420 is an abundant number, since it is smaller than the sum of its proper divisors (28406769774220).

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

23310311330420 is a wasteful number, since it uses less digits than its factorization.

23310311330420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855110552 (or 855110550 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 23310311330420 its reverse (2403311301332), we get a palindrome (25713622631752).

The spelling of 23310311330420 in words is "twenty-three trillion, three hundred ten billion, three hundred eleven million, three hundred thirty thousand, four hundred twenty".