23953490740 has 12 divisors (see below), whose sum is σ = 50302330596. Its totient is φ = 9581396288.

The previous prime is 23953490723. The next prime is 23953490747. The reversal of 23953490740 is 4709435932.

It can be written as a sum of positive squares in 2 ways, for example, as 12531011364 + 11422479376 = 111942^2 + 106876^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23953490747) 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, 598837249 + ... + 598837288.

It is an arithmetic number, because the mean of its divisors is an integer number (4191860883).

Almost surely, 2^23953490740 is an apocalyptic number.

23953490740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23953490740 is an abundant number, since it is smaller than the sum of its proper divisors (26348839856).

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

23953490740 is a wasteful number, since it uses less digits than its factorization.

23953490740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197674546 (or 1197674544 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 23953490740 in words is "twenty-three billion, nine hundred fifty-three million, four hundred ninety thousand, seven hundred forty".