71151323 has 2 divisors, whose sum is σ = 71151324. Its totient is φ = 71151322.

The previous prime is 71151299. The next prime is 71151329. The reversal of 71151323 is 32315117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71151323 - 2¹⁴ = 71134939 is a prime.

It is not a weakly prime, because it can be changed into another prime (71151329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35575661 + 35575662.

It is an arithmetic number, because the mean of its divisors is an integer number (35575662).

Almost surely, 2^71151323 is an apocalyptic number.

71151323 is a deficient number, since it is larger than the sum of its proper divisors (1).

71151323 is an equidigital number, since it uses as much as digits as its factorization.

71151323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 630, while the sum is 23.

The square root of 71151323 is about 8435.1243618574. The cubic root of 71151323 is about 414.3757450504.

The spelling of 71151323 in words is "seventy-one million, one hundred fifty-one thousand, three hundred twenty-three".