23261669 has 4 divisors (see below), whose sum is σ = 23580396. Its totient is φ = 22942944.

The previous prime is 23261657. The next prime is 23261723. The reversal of 23261669 is 96616232.

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 18809569 + 4452100 = 4337^2 + 2110^2 .

It is a cyclic number.

It is not a de Polignac number, because 23261669 - 2⁴ = 23261653 is a prime.

It is a super-2 number, since 2×23261669² = 1082210489331122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23261269) 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, 159254 + ... + 159399.

It is an arithmetic number, because the mean of its divisors is an integer number (5895099).

Almost surely, 2^23261669 is an apocalyptic number.

It is an amenable number.

23261669 is a deficient number, since it is larger than the sum of its proper divisors (318727).

23261669 is an equidigital number, since it uses as much as digits as its factorization.

23261669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318726.

The product of its digits is 23328, while the sum is 35.

The square root of 23261669 is about 4823.0352476423. The cubic root of 23261669 is about 285.4611146245.

The spelling of 23261669 in words is "twenty-three million, two hundred sixty-one thousand, six hundred sixty-nine".