13651423 has 2 divisors, whose sum is σ = 13651424. Its totient is φ = 13651422.

The previous prime is 13651411. The next prime is 13651447. The reversal of 13651423 is 32415631.

It is a weak prime.

It is an emirp because it is prime and its reverse (32415631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13651423 is a prime.

It is a super-2 number, since 2×13651423² = 372722699849858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13651403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6825711 + 6825712.

It is an arithmetic number, because the mean of its divisors is an integer number (6825712).

Almost surely, 2^13651423 is an apocalyptic number.

13651423 is a deficient number, since it is larger than the sum of its proper divisors (1).

13651423 is an equidigital number, since it uses as much as digits as its factorization.

13651423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 13651423 is about 3694.7832142089. The cubic root of 13651423 is about 238.9971055245.

The spelling of 13651423 in words is "thirteen million, six hundred fifty-one thousand, four hundred twenty-three".