5615856623 has 4 divisors (see below), whose sum is σ = 6047845608. Its totient is φ = 5183867640.

The previous prime is 5615856607. The next prime is 5615856629. The reversal of 5615856623 is 3266585165.

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

It is a cyclic number.

It is not a de Polignac number, because 5615856623 - 2⁴ = 5615856607 is a prime.

It is a super-2 number, since 2×5615856623² = 63075691220185928258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5615856629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215994473 + ... + 215994498.

It is an arithmetic number, because the mean of its divisors is an integer number (1511961402).

Almost surely, 2^5615856623 is an apocalyptic number.

5615856623 is a deficient number, since it is larger than the sum of its proper divisors (431988985).

5615856623 is a wasteful number, since it uses less digits than its factorization.

5615856623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431988984.

The product of its digits is 1296000, while the sum is 47.

The square root of 5615856623 is about 74939.0193624123. The cubic root of 5615856623 is about 1777.4825143559.

The spelling of 5615856623 in words is "five billion, six hundred fifteen million, eight hundred fifty-six thousand, six hundred twenty-three".