23660949 has 16 divisors (see below), whose sum is σ = 34618752. Its totient is φ = 14284608.

The previous prime is 23660939. The next prime is 23660981. The reversal of 23660949 is 94906632.

It is a happy number.

It is not a de Polignac number, because 23660949 - 2⁴ = 23660933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23660929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3657 + ... + 7790.

It is an arithmetic number, because the mean of its divisors is an integer number (2163672).

Almost surely, 2^23660949 is an apocalyptic number.

It is an amenable number.

23660949 is a deficient number, since it is larger than the sum of its proper divisors (10957803).

23660949 is a wasteful number, since it uses less digits than its factorization.

23660949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11516.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 23660949 is about 4864.2521521813. The cubic root of 23660949 is about 287.0851443201.

The spelling of 23660949 in words is "twenty-three million, six hundred sixty thousand, nine hundred forty-nine".