2423891587 has 16 divisors (see below), whose sum is σ = 2686134528. Its totient is φ = 2172971520.

The previous prime is 2423891573. The next prime is 2423891609. The reversal of 2423891587 is 7851983242.

It is a cyclic number.

It is not a de Polignac number, because 2423891587 - 2¹⁵ = 2423858819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2423891587.

It is not an unprimeable number, because it can be changed into a prime (2423891557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108663 + ... + 129055.

It is an arithmetic number, because the mean of its divisors is an integer number (167883408).

Almost surely, 2^2423891587 is an apocalyptic number.

2423891587 is a deficient number, since it is larger than the sum of its proper divisors (262242941).

2423891587 is a wasteful number, since it uses less digits than its factorization.

2423891587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20670.

The product of its digits is 967680, while the sum is 49.

The square root of 2423891587 is about 49233.0334937834. The cubic root of 2423891587 is about 1343.2939655121.

The spelling of 2423891587 in words is "two billion, four hundred twenty-three million, eight hundred ninety-one thousand, five hundred eighty-seven".