23406629 has 2 divisors, whose sum is σ = 23406630. Its totient is φ = 23406628.

The previous prime is 23406619. The next prime is 23406667. The reversal of 23406629 is 92660432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21141604 + 2265025 = 4598^2 + 1505^2 .

It is a cyclic number.

It is not a de Polignac number, because 23406629 - 2²⁰ = 22358053 is a prime.

It is a super-2 number, since 2×23406629² = 1095740562287282, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23406595 and 23406604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23406619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11703314 + 11703315.

It is an arithmetic number, because the mean of its divisors is an integer number (11703315).

Almost surely, 2^23406629 is an apocalyptic number.

It is an amenable number.

23406629 is a deficient number, since it is larger than the sum of its proper divisors (1).

23406629 is an equidigital number, since it uses as much as digits as its factorization.

23406629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 23406629 is about 4838.0397890055. The cubic root of 23406629 is about 286.0528575263.

The spelling of 23406629 in words is "twenty-three million, four hundred six thousand, six hundred twenty-nine".