23532566047 has 4 divisors (see below), whose sum is σ = 24916834656. Its totient is φ = 22148297440.

The previous prime is 23532566017. The next prime is 23532566053. The reversal of 23532566047 is 74066523532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23532566047 - 2¹⁹ = 23532041759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23532565994 and 23532566012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23532566017) 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, 692134279 + ... + 692134312.

It is an arithmetic number, because the mean of its divisors is an integer number (6229208664).

Almost surely, 2^23532566047 is an apocalyptic number.

23532566047 is a deficient number, since it is larger than the sum of its proper divisors (1384268609).

23532566047 is a wasteful number, since it uses less digits than its factorization.

23532566047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384268608.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 23532566047 in words is "twenty-three billion, five hundred thirty-two million, five hundred sixty-six thousand, forty-seven".