13967391223 has 2 divisors, whose sum is σ = 13967391224. Its totient is φ = 13967391222.

The previous prime is 13967391209. The next prime is 13967391281. The reversal of 13967391223 is 32219376931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13967391223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13967391203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6983695611 + 6983695612.

It is an arithmetic number, because the mean of its divisors is an integer number (6983695612).

Almost surely, 2^13967391223 is an apocalyptic number.

13967391223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13967391223 is an equidigital number, since it uses as much as digits as its factorization.

13967391223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 46.

The spelling of 13967391223 in words is "thirteen billion, nine hundred sixty-seven million, three hundred ninety-one thousand, two hundred twenty-three".