23500947455 has 4 divisors (see below), whose sum is σ = 28201136952. Its totient is φ = 18800757960.

The previous prime is 23500947443. The next prime is 23500947469. The reversal of 23500947455 is 55474900532.

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

It is not a de Polignac number, because 23500947455 - 2⁴ = 23500947439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350094741 + ... + 2350094750.

It is an arithmetic number, because the mean of its divisors is an integer number (7050284238).

Almost surely, 2^23500947455 is an apocalyptic number.

23500947455 is a deficient number, since it is larger than the sum of its proper divisors (4700189497).

23500947455 is an equidigital number, since it uses as much as digits as its factorization.

23500947455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700189496.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 23500947455 in words is "twenty-three billion, five hundred million, nine hundred forty-seven thousand, four hundred fifty-five".