23494949 has 2 divisors, whose sum is σ = 23494950. Its totient is φ = 23494948.

The previous prime is 23494903. The next prime is 23494979. The reversal of 23494949 is 94949432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20638849 + 2856100 = 4543^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 23494949 - 2⁸ = 23494693 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23494979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11747474 + 11747475.

It is an arithmetic number, because the mean of its divisors is an integer number (11747475).

Almost surely, 2^23494949 is an apocalyptic number.

It is an amenable number.

23494949 is a deficient number, since it is larger than the sum of its proper divisors (1).

23494949 is an equidigital number, since it uses as much as digits as its factorization.

23494949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 44.

The square root of 23494949 is about 4847.1588585480. The cubic root of 23494949 is about 286.4121927450.

The spelling of 23494949 in words is "twenty-three million, four hundred ninety-four thousand, nine hundred forty-nine".