14554391623 has 2 divisors, whose sum is σ = 14554391624. Its totient is φ = 14554391622.

The previous prime is 14554391569. The next prime is 14554391653. The reversal of 14554391623 is 32619345541.

It is a strong prime.

It is an emirp because it is prime and its reverse (32619345541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14554391623 - 2²⁹ = 14017520711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14554391623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14554391653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7277195811 + 7277195812.

It is an arithmetic number, because the mean of its divisors is an integer number (7277195812).

Almost surely, 2^14554391623 is an apocalyptic number.

14554391623 is a deficient number, since it is larger than the sum of its proper divisors (1).

14554391623 is an equidigital number, since it uses as much as digits as its factorization.

14554391623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The spelling of 14554391623 in words is "fourteen billion, five hundred fifty-four million, three hundred ninety-one thousand, six hundred twenty-three".