23475629 has 2 divisors, whose sum is σ = 23475630. Its totient is φ = 23475628.

The previous prime is 23475601. The next prime is 23475631. The reversal of 23475629 is 92657432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12945604 + 10530025 = 3598^2 + 3245^2 .

It is a cyclic number.

It is not a de Polignac number, because 23475629 - 2²⁴ = 6698413 is a prime.

It is a super-2 number, since 2×23475629² = 1102210313891282, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 23475631, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23475592 and 23475601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23475229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11737814 + 11737815.

It is an arithmetic number, because the mean of its divisors is an integer number (11737815).

Almost surely, 2^23475629 is an apocalyptic number.

It is an amenable number.

23475629 is a deficient number, since it is larger than the sum of its proper divisors (1).

23475629 is an equidigital number, since it uses as much as digits as its factorization.

23475629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 23475629 is about 4845.1655286481. The cubic root of 23475629 is about 286.3336652142. Note that the first 3 decimals are identical.

The spelling of 23475629 in words is "twenty-three million, four hundred seventy-five thousand, six hundred twenty-nine".