623670336005 has 4 divisors (see below), whose sum is σ = 748404403212. Its totient is φ = 498936268800.

The previous prime is 623670335989. The next prime is 623670336017. The reversal of 623670336005 is 500633076326.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 262576306084 + 361094029921 = 512422^2 + 600911^2 .

It is not a de Polignac number, because 623670336005 - 2⁴ = 623670335989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62367033596 + ... + 62367033605.

It is an arithmetic number, because the mean of its divisors is an integer number (187101100803).

Almost surely, 2^623670336005 is an apocalyptic number.

It is an amenable number.

623670336005 is a deficient number, since it is larger than the sum of its proper divisors (124734067207).

623670336005 is a wasteful number, since it uses less digits than its factorization.

623670336005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124734067206.

The product of its (nonzero) digits is 408240, while the sum is 41.

The spelling of 623670336005 in words is "six hundred twenty-three billion, six hundred seventy million, three hundred thirty-six thousand, five".