4181288623 has 2 divisors, whose sum is σ = 4181288624. Its totient is φ = 4181288622.

The previous prime is 4181288549. The next prime is 4181288627. The reversal of 4181288623 is 3268821814.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4181288623 - 2²⁵ = 4147734191 is a prime.

It is a super-2 number, since 2×4181288623² = 34966349097658472258, 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 4181288623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4181288627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090644311 + 2090644312.

It is an arithmetic number, because the mean of its divisors is an integer number (2090644312).

Almost surely, 2^4181288623 is an apocalyptic number.

4181288623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4181288623 is an equidigital number, since it uses as much as digits as its factorization.

4181288623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 43.

The square root of 4181288623 is about 64662.8844314882. The cubic root of 4181288623 is about 1611.0290892611.

The spelling of 4181288623 in words is "four billion, one hundred eighty-one million, two hundred eighty-eight thousand, six hundred twenty-three".