71423085378 has 16 divisors (see below), whose sum is σ = 142893522720. Its totient is φ = 23799803136.

The previous prime is 71423085367. The next prime is 71423085389. The reversal of 71423085378 is 87358032417.

It is an interprime number because it is at equal distance from previous prime (71423085367) and next prime (71423085389).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1953375 + ... + 1989602.

It is an arithmetic number, because the mean of its divisors is an integer number (8930845170).

Almost surely, 2^71423085378 is an apocalyptic number.

71423085378 is an abundant number, since it is smaller than the sum of its proper divisors (71470437342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71423085378 is a wasteful number, since it uses less digits than its factorization.

71423085378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946001.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 71423085378 in words is "seventy-one billion, four hundred twenty-three million, eighty-five thousand, three hundred seventy-eight".