23680449 has 18 divisors (see below), whose sum is σ = 37041030. Its totient is φ = 14571648.

The previous prime is 23680429. The next prime is 23680469. The reversal of 23680449 is 94408632.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23680429) and next prime (23680469).

It can be written as a sum of positive squares in 3 ways, for example, as 90000 + 23590449 = 300^2 + 4857^2 .

It is not a de Polignac number, because 23680449 - 2⁸ = 23680193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23680429) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6264 + ... + 9305.

It is an arithmetic number, because the mean of its divisors is an integer number (2057835).

Almost surely, 2^23680449 is an apocalyptic number.

It is an amenable number.

23680449 is a deficient number, since it is larger than the sum of its proper divisors (13360581).

23680449 is a wasteful number, since it uses less digits than its factorization.

23680449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15601 (or 15585 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 23680449 is about 4866.2561584857. The cubic root of 23680449 is about 287.1639890462.

The spelling of 23680449 in words is "twenty-three million, six hundred eighty thousand, four hundred forty-nine".