23380549 has 2 divisors, whose sum is σ = 23380550. Its totient is φ = 23380548.

The previous prime is 23380543. The next prime is 23380561. The reversal of 23380549 is 94508332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20205025 + 3175524 = 4495^2 + 1782^2 .

It is a cyclic number.

It is not a de Polignac number, because 23380549 - 2⁵ = 23380517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23380543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11690274 + 11690275.

It is an arithmetic number, because the mean of its divisors is an integer number (11690275).

Almost surely, 2^23380549 is an apocalyptic number.

It is an amenable number.

23380549 is a deficient number, since it is larger than the sum of its proper divisors (1).

23380549 is an equidigital number, since it uses as much as digits as its factorization.

23380549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 23380549 is about 4835.3437313184. The cubic root of 23380549 is about 285.9465766516.

The spelling of 23380549 in words is "twenty-three million, three hundred eighty thousand, five hundred forty-nine".