23304861 has 8 divisors (see below), whose sum is σ = 34525760. Its totient is φ = 15536556.

The previous prime is 23304859. The next prime is 23304871. The reversal of 23304861 is 16840332.

It is a happy number.

It is not a de Polignac number, because 23304861 - 2¹ = 23304859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 863143 = 23304861 / (2 + 3 + 3 + 0 + 4 + 8 + 6 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23304821) 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, 431545 + ... + 431598.

It is an arithmetic number, because the mean of its divisors is an integer number (4315720).

Almost surely, 2^23304861 is an apocalyptic number.

It is an amenable number.

23304861 is a deficient number, since it is larger than the sum of its proper divisors (11220899).

23304861 is an equidigital number, since it uses as much as digits as its factorization.

23304861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863152 (or 863146 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 23304861 is about 4827.5108492887. The cubic root of 23304861 is about 285.6376856916.

The spelling of 23304861 in words is "twenty-three million, three hundred four thousand, eight hundred sixty-one".