23480251 has 4 divisors (see below), whose sum is σ = 23490000. Its totient is φ = 23470504.

The previous prime is 23480243. The next prime is 23480269. The reversal of 23480251 is 15208432.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23480251 - 2³ = 23480243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23480551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650 + ... + 7048.

It is an arithmetic number, because the mean of its divisors is an integer number (5872500).

Almost surely, 2^23480251 is an apocalyptic number.

23480251 is a deficient number, since it is larger than the sum of its proper divisors (9749).

23480251 is an equidigital number, since it uses as much as digits as its factorization.

23480251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9748.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 23480251 is about 4845.6424754618. The cubic root of 23480251 is about 286.3524555855.

Adding to 23480251 its reverse (15208432), we get a palindrome (38688683).

The spelling of 23480251 in words is "twenty-three million, four hundred eighty thousand, two hundred fifty-one".