23205355402344 has 32 divisors (see below), whose sum is σ = 58017936844320. Its totient is φ = 7734512022336.

The previous prime is 23205355402309. The next prime is 23205355402349. The reversal of 23205355402344 is 44320455350232.

It is a super-2 number, since 2×23205355402344² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23205355402296 and 23205355402305.

It is not an unprimeable number, because it can be changed into a prime (23205355402349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37590274 + ... + 38202609.

It is an arithmetic number, because the mean of its divisors is an integer number (1813060526385).

Almost surely, 2^{23205355402344} is an apocalyptic number.

23205355402344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23205355402344 is an abundant number, since it is smaller than the sum of its proper divisors (34812581441976).

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

23205355402344 is a wasteful number, since it uses less digits than its factorization.

23205355402344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75805649 (or 75805645 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 42.

The spelling of 23205355402344 in words is "twenty-three trillion, two hundred five billion, three hundred fifty-five million, four hundred two thousand, three hundred forty-four".