23477449 has 4 divisors (see below), whose sum is σ = 23489920. Its totient is φ = 23464980.

The previous prime is 23477437. The next prime is 23477477. The reversal of 23477449 is 94477432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23477449 - 2⁵ = 23477417 is a prime.

It is a super-2 number, since 2×23477449² = 1102381223095202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23477429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2769 + ... + 7390.

It is an arithmetic number, because the mean of its divisors is an integer number (5872480).

Almost surely, 2^23477449 is an apocalyptic number.

It is an amenable number.

23477449 is a deficient number, since it is larger than the sum of its proper divisors (12471).

23477449 is a wasteful number, since it uses less digits than its factorization.

23477449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12470.

The product of its digits is 169344, while the sum is 40.

The square root of 23477449 is about 4845.3533410888. The cubic root of 23477449 is about 286.3410645730.

The spelling of 23477449 in words is "twenty-three million, four hundred seventy-seven thousand, four hundred forty-nine".