13425623 has 2 divisors, whose sum is σ = 13425624. Its totient is φ = 13425622.

The previous prime is 13425617. The next prime is 13425641. The reversal of 13425623 is 32652431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13425623 - 2²⁰ = 12377047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13425592 and 13425601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13425613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712811 + 6712812.

It is an arithmetic number, because the mean of its divisors is an integer number (6712812).

Almost surely, 2^13425623 is an apocalyptic number.

13425623 is a deficient number, since it is larger than the sum of its proper divisors (1).

13425623 is an equidigital number, since it uses as much as digits as its factorization.

13425623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 13425623 is about 3664.0992071722. The cubic root of 13425623 is about 237.6720703177.

The spelling of 13425623 in words is "thirteen million, four hundred twenty-five thousand, six hundred twenty-three".