23955507447 has 16 divisors (see below), whose sum is σ = 32046658560. Its totient is φ = 15917396000.

The previous prime is 23955507421. The next prime is 23955507451. The reversal of 23955507447 is 74470555932.

It is a cyclic number.

It is not a de Polignac number, because 23955507447 - 2⁶ = 23955507383 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 23955507447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23955507467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2527297 + ... + 2536757.

It is an arithmetic number, because the mean of its divisors is an integer number (2002916160).

Almost surely, 2^23955507447 is an apocalyptic number.

23955507447 is a deficient number, since it is larger than the sum of its proper divisors (8091151113).

23955507447 is a wasteful number, since it uses less digits than its factorization.

23955507447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12174.

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 23955507447 in words is "twenty-three billion, nine hundred fifty-five million, five hundred seven thousand, four hundred forty-seven".