23390461 has 4 divisors (see below), whose sum is σ = 24145024. Its totient is φ = 22635900.

The previous prime is 23390447. The next prime is 23390473. The reversal of 23390461 is 16409332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23390461 - 2⁵ = 23390429 is a prime.

It is a super-2 number, since 2×23390461² = 1094227331585042, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23390561) 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, 377235 + ... + 377296.

It is an arithmetic number, because the mean of its divisors is an integer number (6036256).

Almost surely, 2^23390461 is an apocalyptic number.

It is an amenable number.

23390461 is a deficient number, since it is larger than the sum of its proper divisors (754563).

23390461 is an equidigital number, since it uses as much as digits as its factorization.

23390461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754562.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 23390461 is about 4836.3685756981. The cubic root of 23390461 is about 285.9869792106.

Adding to 23390461 its reverse (16409332), we get a palindrome (39799793).

The spelling of 23390461 in words is "twenty-three million, three hundred ninety thousand, four hundred sixty-one".