23640405301530 has 96 divisors (see below), whose sum is σ = 61569442022400. Its totient is φ = 6293403889920.

The previous prime is 23640405301523. The next prime is 23640405301553. The reversal of 23640405301530 is 3510350404632.

23640405301530 is a `hidden beast` number, since 2 + 3 + 6 + 40 + 40 + 530 + 15 + 30 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 666867246 + ... + 666902694.

It is an arithmetic number, because the mean of its divisors is an integer number (641348354400).

Almost surely, 2^{23640405301530} is an apocalyptic number.

23640405301530 is an abundant number, since it is smaller than the sum of its proper divisors (37929036720870).

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

23640405301530 is a wasteful number, since it uses less digits than its factorization.

23640405301530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47836 (or 47833 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

It can be divided in two parts, 2364040 and 5301530, that added together give a triangular number (7665570 = T₃₉₁₅).

The spelling of 23640405301530 in words is "twenty-three trillion, six hundred forty billion, four hundred five million, three hundred one thousand, five hundred thirty".