23023452521 has 8 divisors (see below), whose sum is σ = 24261319200. Its totient is φ = 21788196480.

The previous prime is 23023452493. The next prime is 23023452523. The reversal of 23023452521 is 12525432032.

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 23023452521 - 2³⁴ = 5843583337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23023452523) 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, 634535 + ... + 669836.

It is an arithmetic number, because the mean of its divisors is an integer number (3032664900).

Almost surely, 2^23023452521 is an apocalyptic number.

It is an amenable number.

23023452521 is a deficient number, since it is larger than the sum of its proper divisors (1237866679).

23023452521 is a wasteful number, since it uses less digits than its factorization.

23023452521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305319.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 23023452521 its reverse (12525432032), we get a palindrome (35548884553).

The spelling of 23023452521 in words is "twenty-three billion, twenty-three million, four hundred fifty-two thousand, five hundred twenty-one".