23065527557 has 8 divisors (see below), whose sum is σ = 23174371584. Its totient is φ = 22956732288.

The previous prime is 23065527547. The next prime is 23065527571. The reversal of 23065527557 is 75572556032.

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 23065527557 - 2⁸ = 23065527301 is a prime.

It is a super-2 number, since 2×23065527557² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23065527547) 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, 1231253 + ... + 1249845.

It is an arithmetic number, because the mean of its divisors is an integer number (2896796448).

Almost surely, 2^23065527557 is an apocalyptic number.

It is an amenable number.

23065527557 is a deficient number, since it is larger than the sum of its proper divisors (108844027).

23065527557 is a wasteful number, since it uses less digits than its factorization.

23065527557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24379.

The product of its (nonzero) digits is 2205000, while the sum is 47.

The spelling of 23065527557 in words is "twenty-three billion, sixty-five million, five hundred twenty-seven thousand, five hundred fifty-seven".