623244085 has 4 divisors (see below), whose sum is σ = 747892908. Its totient is φ = 498595264.

The previous prime is 623244079. The next prime is 623244131. The reversal of 623244085 is 580442326.

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 297838564 + 325405521 = 17258^2 + 18039^2 .

It is a cyclic number.

It is not a de Polignac number, because 623244085 - 2¹⁵ = 623211317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 623244085.

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, 62324404 + ... + 62324413.

It is an arithmetic number, because the mean of its divisors is an integer number (186973227).

Almost surely, 2^623244085 is an apocalyptic number.

It is an amenable number.

623244085 is a deficient number, since it is larger than the sum of its proper divisors (124648823).

623244085 is a wasteful number, since it uses less digits than its factorization.

623244085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124648822.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 623244085 is about 24964.8569993902. The cubic root of 623244085 is about 854.1865363558.

The spelling of 623244085 in words is "six hundred twenty-three million, two hundred forty-four thousand, eighty-five".