23016573665 has 8 divisors (see below), whose sum is σ = 28262211648. Its totient is φ = 17985043440.

The previous prime is 23016573661. The next prime is 23016573691. The reversal of 23016573665 is 56637561032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23016573665 - 2² = 23016573661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23016573661) 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, 53526701 + ... + 53527130.

It is an arithmetic number, because the mean of its divisors is an integer number (3532776456).

Almost surely, 2^23016573665 is an apocalyptic number.

It is an amenable number.

23016573665 is a deficient number, since it is larger than the sum of its proper divisors (5245637983).

23016573665 is a wasteful number, since it uses less digits than its factorization.

23016573665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107053879.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 23016573665 in words is "twenty-three billion, sixteen million, five hundred seventy-three thousand, six hundred sixty-five".