5423523887 has 2 divisors, whose sum is σ = 5423523888. Its totient is φ = 5423523886.

The previous prime is 5423523881. The next prime is 5423523979. The reversal of 5423523887 is 7883253245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5423523887 - 2⁴ = 5423523871 is a prime.

It is a super-2 number, since 2×5423523887² = 58829222705719177538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5423523881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2711761943 + 2711761944.

It is an arithmetic number, because the mean of its divisors is an integer number (2711761944).

Almost surely, 2^5423523887 is an apocalyptic number.

5423523887 is a deficient number, since it is larger than the sum of its proper divisors (1).

5423523887 is an equidigital number, since it uses as much as digits as its factorization.

5423523887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 47.

The square root of 5423523887 is about 73644.5781235795. The cubic root of 5423523887 is about 1756.9545178471.

The spelling of 5423523887 in words is "five billion, four hundred twenty-three million, five hundred twenty-three thousand, eight hundred eighty-seven".