23105429 has 2 divisors, whose sum is σ = 23105430. Its totient is φ = 23105428.

The previous prime is 23105417. The next prime is 23105437. The reversal of 23105429 is 92450132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23059204 + 46225 = 4802^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 23105429 - 2¹² = 23101333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23105398 and 23105407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23105629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11552714 + 11552715.

It is an arithmetic number, because the mean of its divisors is an integer number (11552715).

Almost surely, 2^23105429 is an apocalyptic number.

It is an amenable number.

23105429 is a deficient number, since it is larger than the sum of its proper divisors (1).

23105429 is an equidigital number, since it uses as much as digits as its factorization.

23105429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 23105429 is about 4806.8106890120. The cubic root of 23105429 is about 284.8205662370.

The spelling of 23105429 in words is "twenty-three million, one hundred five thousand, four hundred twenty-nine".