71823765036423 has 8 divisors (see below), whose sum is σ = 95765143467888. Its totient is φ = 47882448314624.

The previous prime is 71823765036421. The next prime is 71823765036487. The reversal of 71823765036423 is 32463056732817.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71823765036423 - 2¹ = 71823765036421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71823765036421) 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, 12639690 + ... + 17418647.

It is an arithmetic number, because the mean of its divisors is an integer number (11970642933486).

Almost surely, 2^{71823765036423} is an apocalyptic number.

71823765036423 is a deficient number, since it is larger than the sum of its proper divisors (23941378431465).

71823765036423 is a wasteful number, since it uses less digits than its factorization.

71823765036423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30854833.

The product of its (nonzero) digits is 30481920, while the sum is 57.

The spelling of 71823765036423 in words is "seventy-one trillion, eight hundred twenty-three billion, seven hundred sixty-five million, thirty-six thousand, four hundred twenty-three".