23154688073 has 4 divisors (see below), whose sum is σ = 25259659728. Its totient is φ = 21049716420.

The previous prime is 23154688069. The next prime is 23154688093. The reversal of 23154688073 is 37088645132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23154688073 - 2² = 23154688069 is a prime.

It is a super-2 number, since 2×23154688073² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23154688093) 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, 1052485811 + ... + 1052485832.

It is an arithmetic number, because the mean of its divisors is an integer number (6314914932).

Almost surely, 2^23154688073 is an apocalyptic number.

It is an amenable number.

23154688073 is a deficient number, since it is larger than the sum of its proper divisors (2104971655).

23154688073 is a wasteful number, since it uses less digits than its factorization.

23154688073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104971654.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 23154688073 in words is "twenty-three billion, one hundred fifty-four million, six hundred eighty-eight thousand, seventy-three".