23312122840 has 32 divisors (see below), whose sum is σ = 52475417280. Its totient is φ = 9320735232.

The previous prime is 23312122783. The next prime is 23312122843. The reversal of 23312122840 is 4822121332.

It is a junction number, because it is equal to n+sod(n) for n = 23312122799 and 23312122808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312122843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35937 + ... + 218896.

It is an arithmetic number, because the mean of its divisors is an integer number (1639856790).

Almost surely, 2^23312122840 is an apocalyptic number.

23312122840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23312122840 is an abundant number, since it is smaller than the sum of its proper divisors (29163294440).

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

23312122840 is a wasteful number, since it uses less digits than its factorization.

23312122840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257131 (or 257127 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 23312122840 in words is "twenty-three billion, three hundred twelve million, one hundred twenty-two thousand, eight hundred forty".