23129411 has 2 divisors, whose sum is σ = 23129412. Its totient is φ = 23129410.

The previous prime is 23129387. The next prime is 23129413. The reversal of 23129411 is 11492132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23129411 - 2⁶ = 23129347 is a prime.

Together with 23129413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23129413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11564705 + 11564706.

It is an arithmetic number, because the mean of its divisors is an integer number (11564706).

Almost surely, 2^23129411 is an apocalyptic number.

23129411 is a deficient number, since it is larger than the sum of its proper divisors (1).

23129411 is an equidigital number, since it uses as much as digits as its factorization.

23129411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

The square root of 23129411 is about 4809.3046274903. The cubic root of 23129411 is about 284.9190741814.

The spelling of 23129411 in words is "twenty-three million, one hundred twenty-nine thousand, four hundred eleven".