23713945290 has 128 divisors (see below), whose sum is σ = 73634987520. Its totient is φ = 5318037504.

The previous prime is 23713945249. The next prime is 23713945291. The reversal of 23713945290 is 9254931732.

23713945290 is a `hidden beast` number, since 2 + 37 + 1 + 3 + 94 + 529 + 0 = 666.

It is a super-2 number, since 2×23713945290² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (23713945291) 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 63 ways as a sum of consecutive naturals, for example, 18199 + ... + 218538.

It is an arithmetic number, because the mean of its divisors is an integer number (575273340).

Almost surely, 2^23713945290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23713945290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36817493760).

23713945290 is an abundant number, since it is smaller than the sum of its proper divisors (49921042230).

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

23713945290 is a wasteful number, since it uses less digits than its factorization.

23713945290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236813 (or 236807 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 23713945290 in words is "twenty-three billion, seven hundred thirteen million, nine hundred forty-five thousand, two hundred ninety".