23520478733 has 8 divisors (see below), whose sum is σ = 24103328760. Its totient is φ = 22938065920.

The previous prime is 23520478697. The next prime is 23520478757. The reversal of 23520478733 is 33787402532.

It can be written as a sum of positive squares in 4 ways, for example, as 797328169 + 22723150564 = 28237^2 + 150742^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23520478733 - 2²⁴ = 23503701517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23520478763) 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, 983 + ... + 216891.

It is an arithmetic number, because the mean of its divisors is an integer number (3012916095).

Almost surely, 2^23520478733 is an apocalyptic number.

It is an amenable number.

23520478733 is a deficient number, since it is larger than the sum of its proper divisors (582850027).

23520478733 is a wasteful number, since it uses less digits than its factorization.

23520478733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218607.

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 23520478733 in words is "twenty-three billion, five hundred twenty million, four hundred seventy-eight thousand, seven hundred thirty-three".