23020251 has 8 divisors (see below), whose sum is σ = 30722640. Its totient is φ = 15332352.

The previous prime is 23020201. The next prime is 23020273. The reversal of 23020251 is 15202032.

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

It is not a de Polignac number, because 23020251 - 2⁶ = 23020187 is a prime.

It is a super-2 number, since 2×23020251² = 1059863912206002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23020251.

It is not an unprimeable number, because it can be changed into a prime (23020201) 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, 891 + ... + 6843.

It is an arithmetic number, because the mean of its divisors is an integer number (3840330).

Almost surely, 2^23020251 is an apocalyptic number.

23020251 is a deficient number, since it is larger than the sum of its proper divisors (7702389).

23020251 is a wasteful number, since it uses less digits than its factorization.

23020251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7245.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 23020251 is about 4797.9423714755. The cubic root of 23020251 is about 284.4701389357.

Adding to 23020251 its reverse (15202032), we get a palindrome (38222283).

The spelling of 23020251 in words is "twenty-three million, twenty thousand, two hundred fifty-one".