23050991 has 8 divisors (see below), whose sum is σ = 24384480. Its totient is φ = 21745152.

The previous prime is 23050987. The next prime is 23051003. The reversal of 23050991 is 19905032.

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 23050991 - 2² = 23050987 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 (23050901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5186 + ... + 8543.

It is an arithmetic number, because the mean of its divisors is an integer number (3048060).

Almost surely, 2^23050991 is an apocalyptic number.

23050991 is a deficient number, since it is larger than the sum of its proper divisors (1333489).

23050991 is a wasteful number, since it uses less digits than its factorization.

23050991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13825.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 23050991 is about 4801.1447593256. The cubic root of 23050991 is about 284.5967046364.

The spelling of 23050991 in words is "twenty-three million, fifty thousand, nine hundred ninety-one".