23136829 has 2 divisors, whose sum is σ = 23136830. Its totient is φ = 23136828.

The previous prime is 23136823. The next prime is 23136853. The reversal of 23136829 is 92863132.

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., 23136100 + 729 = 4810^2 + 27^2 .

It is a cyclic number.

It is not a de Polignac number, because 23136829 - 2³ = 23136821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23136794 and 23136803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23136821) 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 as a sum of consecutive naturals, namely, 11568414 + 11568415.

It is an arithmetic number, because the mean of its divisors is an integer number (11568415).

Almost surely, 2^23136829 is an apocalyptic number.

It is an amenable number.

23136829 is a deficient number, since it is larger than the sum of its proper divisors (1).

23136829 is an equidigital number, since it uses as much as digits as its factorization.

23136829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 23136829 is about 4810.0757790289. The cubic root of 23136829 is about 284.9495304085.

The spelling of 23136829 in words is "twenty-three million, one hundred thirty-six thousand, eight hundred twenty-nine".