23849429 has 2 divisors, whose sum is σ = 23849430. Its totient is φ = 23849428.

The previous prime is 23849401. The next prime is 23849443. The reversal of 23849429 is 92494832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14455204 + 9394225 = 3802^2 + 3065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23849429 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 (23849479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11924714 + 11924715.

It is an arithmetic number, because the mean of its divisors is an integer number (11924715).

Almost surely, 2^23849429 is an apocalyptic number.

It is an amenable number.

23849429 is a deficient number, since it is larger than the sum of its proper divisors (1).

23849429 is an equidigital number, since it uses as much as digits as its factorization.

23849429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 23849429 is about 4883.5877180614. The cubic root of 23849429 is about 287.8454232547.

The spelling of 23849429 in words is "twenty-three million, eight hundred forty-nine thousand, four hundred twenty-nine".