71481023 has 2 divisors, whose sum is σ = 71481024. Its totient is φ = 71481022.

The previous prime is 71481019. The next prime is 71481043. The reversal of 71481023 is 32018417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71481023 - 2² = 71481019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71480983 and 71481001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71481013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35740511 + 35740512.

It is an arithmetic number, because the mean of its divisors is an integer number (35740512).

Almost surely, 2^71481023 is an apocalyptic number.

71481023 is a deficient number, since it is larger than the sum of its proper divisors (1).

71481023 is an equidigital number, since it uses as much as digits as its factorization.

71481023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 71481023 is about 8454.6450546430. The cubic root of 71481023 is about 415.0148018140.

The spelling of 71481023 in words is "seventy-one million, four hundred eighty-one thousand, twenty-three".