23642299 has 2 divisors, whose sum is σ = 23642300. Its totient is φ = 23642298.

The previous prime is 23642261. The next prime is 23642309. The reversal of 23642299 is 99224632.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23642299 is a prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (23642239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11821149 + 11821150.

It is an arithmetic number, because the mean of its divisors is an integer number (11821150).

Almost surely, 2^23642299 is an apocalyptic number.

23642299 is a deficient number, since it is larger than the sum of its proper divisors (1).

23642299 is an equidigital number, since it uses as much as digits as its factorization.

23642299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The square root of 23642299 is about 4862.3347272684. The cubic root of 23642299 is about 287.0096958769.

The spelling of 23642299 in words is "twenty-three million, six hundred forty-two thousand, two hundred ninety-nine".