23310149 has 2 divisors, whose sum is σ = 23310150. Its totient is φ = 23310148.

The previous prime is 23310127. The next prime is 23310173. The reversal of 23310149 is 94101332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22259524 + 1050625 = 4718^2 + 1025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23310149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23313149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655074 + 11655075.

It is an arithmetic number, because the mean of its divisors is an integer number (11655075).

Almost surely, 2^23310149 is an apocalyptic number.

It is an amenable number.

23310149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23310149 is an equidigital number, since it uses as much as digits as its factorization.

23310149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 23310149 is about 4828.0585124872. The cubic root of 23310149 is about 285.6592883070.

The spelling of 23310149 in words is "twenty-three million, three hundred ten thousand, one hundred forty-nine".