71923363 has 4 divisors (see below), whose sum is σ = 72011160. Its totient is φ = 71835568.

The previous prime is 71923351. The next prime is 71923373. The reversal of 71923363 is 36332917.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71923363 - 2¹⁷ = 71792291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71923333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42658 + ... + 44311.

It is an arithmetic number, because the mean of its divisors is an integer number (18002790).

Almost surely, 2^71923363 is an apocalyptic number.

71923363 is a deficient number, since it is larger than the sum of its proper divisors (87797).

71923363 is an equidigital number, since it uses as much as digits as its factorization.

71923363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87796.

The product of its digits is 20412, while the sum is 34.

The square root of 71923363 is about 8480.7642933877. The cubic root of 71923363 is about 415.8691090764.

The spelling of 71923363 in words is "seventy-one million, nine hundred twenty-three thousand, three hundred sixty-three".