13784313623 has 2 divisors, whose sum is σ = 13784313624. Its totient is φ = 13784313622.

The previous prime is 13784313601. The next prime is 13784313671. The reversal of 13784313623 is 32631348731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13784313623 - 2⁶ = 13784313559 is a prime.

It is a super-2 number, since 2×13784313623² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13784303623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6892156811 + 6892156812.

It is an arithmetic number, because the mean of its divisors is an integer number (6892156812).

Almost surely, 2^13784313623 is an apocalyptic number.

13784313623 is a deficient number, since it is larger than the sum of its proper divisors (1).

13784313623 is an equidigital number, since it uses as much as digits as its factorization.

13784313623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 41.

The spelling of 13784313623 in words is "thirteen billion, seven hundred eighty-four million, three hundred thirteen thousand, six hundred twenty-three".