23940349 has 2 divisors, whose sum is σ = 23940350. Its totient is φ = 23940348.

The previous prime is 23940337. The next prime is 23940359. The reversal of 23940349 is 94304932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23765625 + 174724 = 4875^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 23940349 - 2¹⁵ = 23907581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23940359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11970174 + 11970175.

It is an arithmetic number, because the mean of its divisors is an integer number (11970175).

Almost surely, 2^23940349 is an apocalyptic number.

It is an amenable number.

23940349 is a deficient number, since it is larger than the sum of its proper divisors (1).

23940349 is an equidigital number, since it uses as much as digits as its factorization.

23940349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 23940349 is about 4892.8875932316. The cubic root of 23940349 is about 288.2107390512.

The spelling of 23940349 in words is "twenty-three million, nine hundred forty thousand, three hundred forty-nine".