23522529993 has 4 divisors (see below), whose sum is σ = 31363373328. Its totient is φ = 15681686660.

The previous prime is 23522529971. The next prime is 23522530001. The reversal of 23522529993 is 39992522532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23522529993 - 2³⁰ = 22448788169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23522529923) 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 3 ways as a sum of consecutive naturals, for example, 3920421663 + ... + 3920421668.

It is an arithmetic number, because the mean of its divisors is an integer number (7840843332).

Almost surely, 2^23522529993 is an apocalyptic number.

It is an amenable number.

23522529993 is a deficient number, since it is larger than the sum of its proper divisors (7840843335).

23522529993 is an equidigital number, since it uses as much as digits as its factorization.

23522529993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7840843334.

The product of its digits is 2624400, while the sum is 51.

The spelling of 23522529993 in words is "twenty-three billion, five hundred twenty-two million, five hundred twenty-nine thousand, nine hundred ninety-three".