23669249 has 8 divisors (see below), whose sum is σ = 24730920. Its totient is φ = 22624000.

The previous prime is 23669203. The next prime is 23669251. The reversal of 23669249 is 94296632.

It can be written as a sum of positive squares in 4 ways, for example, as 7924225 + 15745024 = 2815^2 + 3968^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23669249 - 2⁸ = 23668993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23669299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112 + ... + 6969.

It is an arithmetic number, because the mean of its divisors is an integer number (3091365).

Almost surely, 2^23669249 is an apocalyptic number.

23669249 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

23669249 is a deficient number, since it is larger than the sum of its proper divisors (1061671).

23669249 is a wasteful number, since it uses less digits than its factorization.

23669249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211.

The product of its digits is 139968, while the sum is 41.

The square root of 23669249 is about 4865.1052403828. The cubic root of 23669249 is about 287.1187091634.

The spelling of 23669249 in words is "twenty-three million, six hundred sixty-nine thousand, two hundred forty-nine".