23845949 has 2 divisors, whose sum is σ = 23845950. Its totient is φ = 23845948.

The previous prime is 23845933. The next prime is 23845957. The reversal of 23845949 is 94954832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19201924 + 4644025 = 4382^2 + 2155^2 .

It is a cyclic number.

It is not a de Polignac number, because 23845949 - 2⁴ = 23845933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23845909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11922974 + 11922975.

It is an arithmetic number, because the mean of its divisors is an integer number (11922975).

Almost surely, 2^23845949 is an apocalyptic number.

It is an amenable number.

23845949 is a deficient number, since it is larger than the sum of its proper divisors (1).

23845949 is an equidigital number, since it uses as much as digits as its factorization.

23845949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 23845949 is about 4883.2314096303. The cubic root of 23845949 is about 287.8314222095.

The spelling of 23845949 in words is "twenty-three million, eight hundred forty-five thousand, nine hundred forty-nine".