8118623 has 2 divisors, whose sum is σ = 8118624. Its totient is φ = 8118622.

The previous prime is 8118619. The next prime is 8118629. The reversal of 8118623 is 3268118.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8118623 - 2² = 8118619 is a prime.

It is a super-2 number, since 2×8118623² = 131824078832258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8118629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4059311 + 4059312.

It is an arithmetic number, because the mean of its divisors is an integer number (4059312).

Almost surely, 2^8118623 is an apocalyptic number.

8118623 is a deficient number, since it is larger than the sum of its proper divisors (1).

8118623 is an equidigital number, since it uses as much as digits as its factorization.

8118623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 29.

The square root of 8118623 is about 2849.3197433774. The cubic root of 8118623 is about 200.9836789467.

It can be divided in two parts, 81186 and 23, that multiplied together give a triangular number (1867278 = T₁₉₃₂).

The spelling of 8118623 in words is "eight million, one hundred eighteen thousand, six hundred twenty-three".