13405044923 has 2 divisors, whose sum is σ = 13405044924. Its totient is φ = 13405044922.

The previous prime is 13405044911. The next prime is 13405044929. The reversal of 13405044923 is 32944050431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13405044923 - 2¹⁸ = 13404782779 is a prime.

It is not a weakly prime, because it can be changed into another prime (13405044929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6702522461 + 6702522462.

It is an arithmetic number, because the mean of its divisors is an integer number (6702522462).

Almost surely, 2^13405044923 is an apocalyptic number.

13405044923 is a deficient number, since it is larger than the sum of its proper divisors (1).

13405044923 is an equidigital number, since it uses as much as digits as its factorization.

13405044923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 13405044923 in words is "thirteen billion, four hundred five million, forty-four thousand, nine hundred twenty-three".