23004528291 has 12 divisors (see below), whose sum is σ = 33230284360. Its totient is φ = 15335650080.

The previous prime is 23004528289. The next prime is 23004528317. The reversal of 23004528291 is 19282540032.

It is a happy number.

23004528291 is a `hidden beast` number, since 2 + 300 + 45 + 28 + 291 = 666.

It is not a de Polignac number, because 23004528291 - 2¹ = 23004528289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23004528191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217551 + ... + 305511.

Almost surely, 2^23004528291 is an apocalyptic number.

23004528291 is a deficient number, since it is larger than the sum of its proper divisors (10225756069).

23004528291 is a wasteful number, since it uses less digits than its factorization.

23004528291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117026 (or 117023 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 23004528291 in words is "twenty-three billion, four million, five hundred twenty-eight thousand, two hundred ninety-one".