71123383 has 4 divisors (see below), whose sum is σ = 74215728. Its totient is φ = 68031040.

The previous prime is 71123369. The next prime is 71123387. The reversal of 71123383 is 38332117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38332117 = 331 ⋅115807.

It is a cyclic number.

It is not a de Polignac number, because 71123383 - 2²¹ = 69026231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71123387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1546138 + ... + 1546183.

It is an arithmetic number, because the mean of its divisors is an integer number (18553932).

Almost surely, 2^71123383 is an apocalyptic number.

71123383 is a deficient number, since it is larger than the sum of its proper divisors (3092345).

71123383 is a wasteful number, since it uses less digits than its factorization.

71123383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092344.

The product of its digits is 3024, while the sum is 28.

The square root of 71123383 is about 8433.4680292274. The cubic root of 71123383 is about 414.3214983472.

The spelling of 71123383 in words is "seventy-one million, one hundred twenty-three thousand, three hundred eighty-three".