23091669 has 16 divisors (see below), whose sum is σ = 36011200. Its totient is φ = 14583888.

The previous prime is 23091667. The next prime is 23091671. The reversal of 23091669 is 96619032.

It is an interprime number because it is at equal distance from previous prime (23091667) and next prime (23091671).

It is not a de Polignac number, because 23091669 - 2¹ = 23091667 is a prime.

It is a super-2 number, since 2×23091669² = 1066450354411122, 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 (23091667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21994 + ... + 23019.

It is an arithmetic number, because the mean of its divisors is an integer number (2250700).

Almost surely, 2^23091669 is an apocalyptic number.

It is an amenable number.

23091669 is a deficient number, since it is larger than the sum of its proper divisors (12919531).

23091669 is a wasteful number, since it uses less digits than its factorization.

23091669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45041 (or 45035 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 23091669 is about 4805.3791733848. The cubic root of 23091669 is about 284.7640151808.

The spelling of 23091669 in words is "twenty-three million, ninety-one thousand, six hundred sixty-nine".