71552023 has 2 divisors, whose sum is σ = 71552024. Its totient is φ = 71552022.

The previous prime is 71552021. The next prime is 71552027. The reversal of 71552023 is 32025517.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71552023 - 2¹ = 71552021 is a prime.

Together with 71552021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71552021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35776011 + 35776012.

It is an arithmetic number, because the mean of its divisors is an integer number (35776012).

Almost surely, 2^71552023 is an apocalyptic number.

71552023 is a deficient number, since it is larger than the sum of its proper divisors (1).

71552023 is an equidigital number, since it uses as much as digits as its factorization.

71552023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 71552023 is about 8458.8428877714. The cubic root of 71552023 is about 415.1521636813.

The spelling of 71552023 in words is "seventy-one million, five hundred fifty-two thousand, twenty-three".