623414546452205 has 4 divisors (see below), whose sum is σ = 748097455742652. Its totient is φ = 498731637161760.

The previous prime is 623414546452193. The next prime is 623414546452211. The reversal of 623414546452205 is 502254645414326.

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 215486487173764 + 407928059278441 = 14679458^2 + 20197229^2 .

It is not a de Polignac number, because 623414546452205 - 2¹⁶ = 623414546386669 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, 62341454645216 + ... + 62341454645225.

It is an arithmetic number, because the mean of its divisors is an integer number (187024363935663).

Almost surely, 2^{623414546452205} is an apocalyptic number.

It is an amenable number.

623414546452205 is a deficient number, since it is larger than the sum of its proper divisors (124682909290447).

623414546452205 is a wasteful number, since it uses less digits than its factorization.

623414546452205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124682909290446.

The product of its (nonzero) digits is 27648000, while the sum is 53.

The spelling of 623414546452205 in words is "six hundred twenty-three trillion, four hundred fourteen billion, five hundred forty-six million, four hundred fifty-two thousand, two hundred five".