23242861 has 4 divisors (see below), whose sum is σ = 23460192. Its totient is φ = 23025532.

The previous prime is 23242853. The next prime is 23242867. The reversal of 23242861 is 16824232.

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 23242861 - 2³ = 23242853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108505 + ... + 108718.

It is an arithmetic number, because the mean of its divisors is an integer number (5865048).

Almost surely, 2^23242861 is an apocalyptic number.

It is an amenable number.

23242861 is a deficient number, since it is larger than the sum of its proper divisors (217331).

23242861 is a wasteful number, since it uses less digits than its factorization.

23242861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217330.

The product of its digits is 4608, while the sum is 28.

The square root of 23242861 is about 4821.0850438465. The cubic root of 23242861 is about 285.3841582620.

The spelling of 23242861 in words is "twenty-three million, two hundred forty-two thousand, eight hundred sixty-one".