23947049 has 8 divisors (see below), whose sum is σ = 28808640. Its totient is φ = 19445616.

The previous prime is 23947039. The next prime is 23947051. The reversal of 23947049 is 94074932.

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-23947049 is a prime.

It is a super-2 number, since 2×23947049² = 1146922311616802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23947009) 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, 89894 + ... + 90159.

It is an arithmetic number, because the mean of its divisors is an integer number (3601080).

Almost surely, 2^23947049 is an apocalyptic number.

It is an amenable number.

23947049 is a deficient number, since it is larger than the sum of its proper divisors (4861591).

23947049 is a wasteful number, since it uses less digits than its factorization.

23947049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180079.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 23947049 is about 4893.5722126071. The cubic root of 23947049 is about 288.2376229790.

The spelling of 23947049 in words is "twenty-three million, nine hundred forty-seven thousand, forty-nine".