23046991 has 6 divisors (see below), whose sum is σ = 25332776. Its totient is φ = 20951700.

The previous prime is 23046977. The next prime is 23047001. The reversal of 23046991 is 19964032.

It is not a de Polignac number, because 23046991 - 2⁹ = 23046479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23046931) 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 5 ways as a sum of consecutive naturals, for example, 95115 + ... + 95356.

Almost surely, 2^23046991 is an apocalyptic number.

23046991 is a deficient number, since it is larger than the sum of its proper divisors (2285785).

23046991 is a wasteful number, since it uses less digits than its factorization.

23046991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190493 (or 190482 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 23046991 is about 4800.7281739336. The cubic root of 23046991 is about 284.5802418204.

The spelling of 23046991 in words is "twenty-three million, forty-six thousand, nine hundred ninety-one".