23788949 has 2 divisors, whose sum is σ = 23788950. Its totient is φ = 23788948.

The previous prime is 23788907. The next prime is 23788951. The reversal of 23788949 is 94988732.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18062500 + 5726449 = 4250^2 + 2393^2 .

It is a cyclic number.

It is not a de Polignac number, because 23788949 - 2²⁴ = 7011733 is a prime.

It is a Sophie Germain prime.

Together with 23788951, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23788897 and 23788906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23781949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11894474 + 11894475.

It is an arithmetic number, because the mean of its divisors is an integer number (11894475).

Almost surely, 2^23788949 is an apocalyptic number.

It is an amenable number.

23788949 is a deficient number, since it is larger than the sum of its proper divisors (1).

23788949 is an equidigital number, since it uses as much as digits as its factorization.

23788949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 23788949 is about 4877.3916184781. The cubic root of 23788949 is about 287.6019006144.

The spelling of 23788949 in words is "twenty-three million, seven hundred eighty-eight thousand, nine hundred forty-nine".