23164647223 has 4 divisors (see below), whose sum is σ = 23294058840. Its totient is φ = 23035235608.

The previous prime is 23164647211. The next prime is 23164647241. The reversal of 23164647223 is 32274646132.

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 23164647223 - 2²¹ = 23162550071 is a prime.

It is a super-2 number, since 2×23164647223² (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 (23164647293) 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, 64705540 + ... + 64705897.

It is an arithmetic number, because the mean of its divisors is an integer number (5823514710).

Almost surely, 2^23164647223 is an apocalyptic number.

23164647223 is a deficient number, since it is larger than the sum of its proper divisors (129411617).

23164647223 is a wasteful number, since it uses less digits than its factorization.

23164647223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129411616.

The product of its digits is 290304, while the sum is 40.

The spelling of 23164647223 in words is "twenty-three billion, one hundred sixty-four million, six hundred forty-seven thousand, two hundred twenty-three".