23765949 has 12 divisors (see below), whose sum is σ = 36348156. Its totient is φ = 14911872.

The previous prime is 23765927. The next prime is 23765957. The reversal of 23765949 is 94956732.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18429849 + 5336100 = 4293^2 + 2310^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23765949 is a prime.

It is a super-3 number, since 3×23765949³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23765909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77514 + ... + 77819.

It is an arithmetic number, because the mean of its divisors is an integer number (3029013).

Almost surely, 2^23765949 is an apocalyptic number.

It is an amenable number.

23765949 is a deficient number, since it is larger than the sum of its proper divisors (12582207).

23765949 is a wasteful number, since it uses less digits than its factorization.

23765949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155356 (or 155353 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 23765949 is about 4875.0332306560. The cubic root of 23765949 is about 287.5091828195.

The spelling of 23765949 in words is "twenty-three million, seven hundred sixty-five thousand, nine hundred forty-nine".