5406406320623 has 16 divisors (see below), whose sum is σ = 6741001913856. Its totient is φ = 4212442095840.

The previous prime is 5406406320589. The next prime is 5406406320641. The reversal of 5406406320623 is 3260236046045.

It is not a de Polignac number, because 5406406320623 - 2²⁴ = 5406389543407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5406406320023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1893836 + ... + 3794657.

It is an arithmetic number, because the mean of its divisors is an integer number (421312619616).

Almost surely, 2^{5406406320623} is an apocalyptic number.

5406406320623 is a deficient number, since it is larger than the sum of its proper divisors (1334595593233).

5406406320623 is a wasteful number, since it uses less digits than its factorization.

5406406320623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700854.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 5406406320623 in words is "five trillion, four hundred six billion, four hundred six million, three hundred twenty thousand, six hundred twenty-three".