4023140987 has 2 divisors, whose sum is σ = 4023140988. Its totient is φ = 4023140986.

The previous prime is 4023140983. The next prime is 4023141037. The reversal of 4023140987 is 7890413204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4023140987 - 2² = 4023140983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4023140987.

It is not a weakly prime, because it can be changed into another prime (4023140981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011570493 + 2011570494.

It is an arithmetic number, because the mean of its divisors is an integer number (2011570494).

Almost surely, 2^4023140987 is an apocalyptic number.

4023140987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4023140987 is an equidigital number, since it uses as much as digits as its factorization.

4023140987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 4023140987 is about 63428.2349352400. The cubic root of 4023140987 is about 1590.4563365881.

It can be divided in two parts, 40231 and 40987, that added together give a palindrome (81218).

The spelling of 4023140987 in words is "four billion, twenty-three million, one hundred forty thousand, nine hundred eighty-seven".