40184623 has 2 divisors, whose sum is σ = 40184624. Its totient is φ = 40184622.

The previous prime is 40184597. The next prime is 40184629. The reversal of 40184623 is 32648104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40184623 - 2⁵ = 40184591 is a prime.

It is a super-2 number, since 2×40184623² = 3229607851304258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40184591 and 40184600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40184629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20092311 + 20092312.

It is an arithmetic number, because the mean of its divisors is an integer number (20092312).

Almost surely, 2^40184623 is an apocalyptic number.

40184623 is a deficient number, since it is larger than the sum of its proper divisors (1).

40184623 is an equidigital number, since it uses as much as digits as its factorization.

40184623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 40184623 is about 6339.1342468826. The cubic root of 40184623 is about 342.5205500306.

The spelling of 40184623 in words is "forty million, one hundred eighty-four thousand, six hundred twenty-three".