23455669 has 4 divisors (see below), whose sum is σ = 24089644. Its totient is φ = 22821696.

The previous prime is 23455661. The next prime is 23455673. The reversal of 23455669 is 96655432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11135569 + 12320100 = 3337^2 + 3510^2 .

It is a cyclic number.

It is not a de Polignac number, because 23455669 - 2³ = 23455661 is a prime.

It is a super-2 number, since 2×23455669² = 1100336816475122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23455661) 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, 316932 + ... + 317005.

It is an arithmetic number, because the mean of its divisors is an integer number (6022411).

Almost surely, 2^23455669 is an apocalyptic number.

It is an amenable number.

23455669 is a deficient number, since it is larger than the sum of its proper divisors (633975).

23455669 is an equidigital number, since it uses as much as digits as its factorization.

23455669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633974.

The product of its digits is 194400, while the sum is 40.

The square root of 23455669 is about 4843.1053054832. The cubic root of 23455669 is about 286.2524910953.

The spelling of 23455669 in words is "twenty-three million, four hundred fifty-five thousand, six hundred sixty-nine".