5618723623 has 2 divisors, whose sum is σ = 5618723624. Its totient is φ = 5618723622.

The previous prime is 5618723587. The next prime is 5618723629. The reversal of 5618723623 is 3263278165.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5618723623 is a prime.

It is a super-2 number, since 2×5618723623² = 63140110303316492258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5618723623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5618723629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2809361811 + 2809361812.

It is an arithmetic number, because the mean of its divisors is an integer number (2809361812).

Almost surely, 2^5618723623 is an apocalyptic number.

5618723623 is a deficient number, since it is larger than the sum of its proper divisors (1).

5618723623 is an equidigital number, since it uses as much as digits as its factorization.

5618723623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 5618723623 is about 74958.1458081775. The cubic root of 5618723623 is about 1777.7849422696.

The spelling of 5618723623 in words is "five billion, six hundred eighteen million, seven hundred twenty-three thousand, six hundred twenty-three".