23003504501 has 4 divisors (see below), whose sum is σ = 23179103904. Its totient is φ = 22827905100.

The previous prime is 23003504483. The next prime is 23003504521. The reversal of 23003504501 is 10540530032.

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 23003504501 - 2¹⁰ = 23003503477 is a prime.

It is a super-2 number, since 2×23003504501² (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 (23003504521) 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, 87799505 + ... + 87799766.

It is an arithmetic number, because the mean of its divisors is an integer number (5794775976).

Almost surely, 2^23003504501 is an apocalyptic number.

It is an amenable number.

23003504501 is a deficient number, since it is larger than the sum of its proper divisors (175599403).

23003504501 is a wasteful number, since it uses less digits than its factorization.

23003504501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175599402.

The product of its (nonzero) digits is 1800, while the sum is 23.

The spelling of 23003504501 in words is "twenty-three billion, three million, five hundred four thousand, five hundred one".