71544885383323 has 4 divisors (see below), whose sum is σ = 78048965872728. Its totient is φ = 65040804893920.

The previous prime is 71544885383297. The next prime is 71544885383341. The reversal of 71544885383323 is 32338358844517.

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 71544885383323 - 2⁵ = 71544885383291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71544885383623) 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, 3252040244686 + ... + 3252040244707.

It is an arithmetic number, because the mean of its divisors is an integer number (19512241468182).

Almost surely, 2^{71544885383323} is an apocalyptic number.

71544885383323 is a deficient number, since it is larger than the sum of its proper divisors (6504080489405).

71544885383323 is a wasteful number, since it uses less digits than its factorization.

71544885383323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504080489404.

The product of its digits is 232243200, while the sum is 64.

The spelling of 71544885383323 in words is "seventy-one trillion, five hundred forty-four billion, eight hundred eighty-five million, three hundred eighty-three thousand, three hundred twenty-three".