71681062023 has 40 divisors (see below), whose sum is σ = 108670038048. Its totient is φ = 47082119616.

The previous prime is 71681062021. The next prime is 71681062031. The reversal of 71681062023 is 32026018617.

71681062023 is a `hidden beast` number, since 7 + 1 + 6 + 8 + 1 + 0 + 620 + 23 = 666.

It is not a de Polignac number, because 71681062023 - 2¹ = 71681062021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71681062021) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1621765 + ... + 1665377.

Almost surely, 2^71681062023 is an apocalyptic number.

71681062023 is a deficient number, since it is larger than the sum of its proper divisors (36988976025).

71681062023 is a wasteful number, since it uses less digits than its factorization.

71681062023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43925 (or 43916 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 71681062023 in words is "seventy-one billion, six hundred eighty-one million, sixty-two thousand, twenty-three".