71148823 has 2 divisors, whose sum is σ = 71148824. Its totient is φ = 71148822.

The previous prime is 71148811. The next prime is 71148827. The reversal of 71148823 is 32884117.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71148823 - 2²⁵ = 37594391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71148827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35574411 + 35574412.

It is an arithmetic number, because the mean of its divisors is an integer number (35574412).

Almost surely, 2^71148823 is an apocalyptic number.

71148823 is a deficient number, since it is larger than the sum of its proper divisors (1).

71148823 is an equidigital number, since it uses as much as digits as its factorization.

71148823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 34.

The square root of 71148823 is about 8434.9761706836. The cubic root of 71148823 is about 414.3708917722.

The spelling of 71148823 in words is "seventy-one million, one hundred forty-eight thousand, eight hundred twenty-three".