23669479 has 8 divisors (see below), whose sum is σ = 24307712. Its totient is φ = 23035320.

The previous prime is 23669467. The next prime is 23669489. The reversal of 23669479 is 97496632.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23669479 is a prime.

It is a super-2 number, since 2×23669479² = 1120488472262882, 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 (23669449) 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, 13402 + ... + 15064.

It is an arithmetic number, because the mean of its divisors is an integer number (3038464).

Almost surely, 2^23669479 is an apocalyptic number.

23669479 is a deficient number, since it is larger than the sum of its proper divisors (638233).

23669479 is a wasteful number, since it uses less digits than its factorization.

23669479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037.

The product of its digits is 489888, while the sum is 46.

The square root of 23669479 is about 4865.1288780463. The cubic root of 23669479 is about 287.1196391617.

The spelling of 23669479 in words is "twenty-three million, six hundred sixty-nine thousand, four hundred seventy-nine".