23063491 has 4 divisors (see below), whose sum is σ = 25160184. Its totient is φ = 20966800.

The previous prime is 23063483. The next prime is 23063501. The reversal of 23063491 is 19436032.

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 23063491 - 2³ = 23063483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23063431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048330 + ... + 1048351.

It is an arithmetic number, because the mean of its divisors is an integer number (6290046).

Almost surely, 2^23063491 is an apocalyptic number.

23063491 is a deficient number, since it is larger than the sum of its proper divisors (2096693).

23063491 is a wasteful number, since it uses less digits than its factorization.

23063491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096692.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 23063491 is about 4802.4463557649. The cubic root of 23063491 is about 284.6481386646.

The spelling of 23063491 in words is "twenty-three million, sixty-three thousand, four hundred ninety-one".