5158831423 has 4 divisors (see below), whose sum is σ = 5162163400. Its totient is φ = 5155499448.

The previous prime is 5158831409. The next prime is 5158831451. The reversal of 5158831423 is 3241388515.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5158831423 is a prime.

It is a super-2 number, since 2×5158831423² = 53227083301864409858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5158831463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663665 + ... + 1666762.

It is an arithmetic number, because the mean of its divisors is an integer number (1290540850).

Almost surely, 2^5158831423 is an apocalyptic number.

5158831423 is a deficient number, since it is larger than the sum of its proper divisors (3331977).

5158831423 is a wasteful number, since it uses less digits than its factorization.

5158831423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331976.

The product of its digits is 115200, while the sum is 40.

The square root of 5158831423 is about 71825.0055551686. The cubic root of 5158831423 is about 1727.8940620381.

The spelling of 5158831423 in words is "five billion, one hundred fifty-eight million, eight hundred thirty-one thousand, four hundred twenty-three".