23250891 has 8 divisors (see below), whose sum is σ = 31023504. Its totient is φ = 15489440.

The previous prime is 23250869. The next prime is 23250893. The reversal of 23250891 is 19805232.

It is a happy number.

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 23250891 - 2⁵ = 23250859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23250893) 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, 6385 + ... + 9341.

It is an arithmetic number, because the mean of its divisors is an integer number (3877938).

Almost surely, 2^23250891 is an apocalyptic number.

23250891 is a deficient number, since it is larger than the sum of its proper divisors (7772613).

23250891 is a wasteful number, since it uses less digits than its factorization.

23250891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 23250891 is about 4821.9177720073. The cubic root of 23250891 is about 285.4170195483.

The spelling of 23250891 in words is "twenty-three million, two hundred fifty thousand, eight hundred ninety-one".