23642629 has 2 divisors, whose sum is σ = 23642630. Its totient is φ = 23642628.

The previous prime is 23642623. The next prime is 23642639. The reversal of 23642629 is 92624632.

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., 14630625 + 9012004 = 3825^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 23642629 - 2³ = 23642621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23642594 and 23642603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23642621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11821314 + 11821315.

It is an arithmetic number, because the mean of its divisors is an integer number (11821315).

Almost surely, 2^23642629 is an apocalyptic number.

It is an amenable number.

23642629 is a deficient number, since it is larger than the sum of its proper divisors (1).

23642629 is an equidigital number, since it uses as much as digits as its factorization.

23642629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 23642629 is about 4862.3686614653. The cubic root of 23642629 is about 287.0110312343.

The spelling of 23642629 in words is "twenty-three million, six hundred forty-two thousand, six hundred twenty-nine".