23290251 has 8 divisors (see below), whose sum is σ = 31079424. Its totient is φ = 15513960.

The previous prime is 23290249. The next prime is 23290259. The reversal of 23290251 is 15209232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23290251 - 2¹ = 23290249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23290259) 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, 2406 + ... + 7236.

It is an arithmetic number, because the mean of its divisors is an integer number (3884928).

Almost surely, 2^23290251 is an apocalyptic number.

23290251 is a deficient number, since it is larger than the sum of its proper divisors (7789173).

23290251 is a wasteful number, since it uses less digits than its factorization.

23290251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 23290251 is about 4825.9974098625. The cubic root of 23290251 is about 285.5779837127.

Adding to 23290251 its reverse (15209232), we get a palindrome (38499483).

The spelling of 23290251 in words is "twenty-three million, two hundred ninety thousand, two hundred fifty-one".