5171547923 has 2 divisors, whose sum is σ = 5171547924. Its totient is φ = 5171547922.

The previous prime is 5171547869. The next prime is 5171547949. The reversal of 5171547923 is 3297451715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5171547923 - 2¹⁰ = 5171546899 is a prime.

It is a super-2 number, since 2×5171547923² = 53489815839771227858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5171547973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585773961 + 2585773962.

It is an arithmetic number, because the mean of its divisors is an integer number (2585773962).

Almost surely, 2^5171547923 is an apocalyptic number.

5171547923 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171547923 is an equidigital number, since it uses as much as digits as its factorization.

5171547923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 44.

The square root of 5171547923 is about 71913.4752532514. The cubic root of 5171547923 is about 1729.3126478548.

The spelling of 5171547923 in words is "five billion, one hundred seventy-one million, five hundred forty-seven thousand, nine hundred twenty-three".