23739629 has 2 divisors, whose sum is σ = 23739630. Its totient is φ = 23739628.

The previous prime is 23739613. The next prime is 23739637. The reversal of 23739629 is 92693732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23377225 + 362404 = 4835^2 + 602^2 .

It is a cyclic number.

It is not a de Polignac number, because 23739629 - 2⁴ = 23739613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23739649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11869814 + 11869815.

It is an arithmetic number, because the mean of its divisors is an integer number (11869815).

Almost surely, 2^23739629 is an apocalyptic number.

It is an amenable number.

23739629 is a deficient number, since it is larger than the sum of its proper divisors (1).

23739629 is an equidigital number, since it uses as much as digits as its factorization.

23739629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 41.

The square root of 23739629 is about 4872.3330140704. Note that the first 3 decimals coincide. The cubic root of 23739629 is about 287.4030079878.

The spelling of 23739629 in words is "twenty-three million, seven hundred thirty-nine thousand, six hundred twenty-nine".