71123308 has 24 divisors (see below), whose sum is σ = 138726000. Its totient is φ = 31707648.

The previous prime is 71123279. The next prime is 71123309. The reversal of 71123308 is 80332117.

It is not an unprimeable number, because it can be changed into a prime (71123309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26233 + ... + 28816.

It is an arithmetic number, because the mean of its divisors is an integer number (5780250).

Almost surely, 2^71123308 is an apocalyptic number.

It is an amenable number.

71123308 is a deficient number, since it is larger than the sum of its proper divisors (67602692).

71123308 is a wasteful number, since it uses less digits than its factorization.

71123308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55089 (or 55087 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 71123308 is about 8433.4635826569. The cubic root of 71123308 is about 414.3213527124.

The spelling of 71123308 in words is "seventy-one million, one hundred twenty-three thousand, three hundred eight".