23247641 has 4 divisors (see below), whose sum is σ = 24258432. Its totient is φ = 22236852.

The previous prime is 23247607. The next prime is 23247643. The reversal of 23247641 is 14674232.

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 23247641 - 2⁶ = 23247577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23247643) 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, 505361 + ... + 505406.

It is an arithmetic number, because the mean of its divisors is an integer number (6064608).

Almost surely, 2^23247641 is an apocalyptic number.

It is an amenable number.

23247641 is a deficient number, since it is larger than the sum of its proper divisors (1010791).

23247641 is a wasteful number, since it uses less digits than its factorization.

23247641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010790.

The product of its digits is 8064, while the sum is 29.

The square root of 23247641 is about 4821.5807573865. The cubic root of 23247641 is about 285.4037204374.

The spelling of 23247641 in words is "twenty-three million, two hundred forty-seven thousand, six hundred forty-one".