23117374340 has 12 divisors (see below), whose sum is σ = 48546486156. Its totient is φ = 9246949728.

The previous prime is 23117374339. The next prime is 23117374349. The reversal of 23117374340 is 4347371132.

It can be written as a sum of positive squares in 2 ways, for example, as 5583377284 + 17533997056 = 74722^2 + 132416^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23117374340.

It is not an unprimeable number, because it can be changed into a prime (23117374349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577934339 + ... + 577934378.

It is an arithmetic number, because the mean of its divisors is an integer number (4045540513).

Almost surely, 2^23117374340 is an apocalyptic number.

23117374340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23117374340 is an abundant number, since it is smaller than the sum of its proper divisors (25429111816).

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

23117374340 is a wasteful number, since it uses less digits than its factorization.

23117374340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155868726 (or 1155868724 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The spelling of 23117374340 in words is "twenty-three billion, one hundred seventeen million, three hundred seventy-four thousand, three hundred forty".