42171763023 has 64 divisors (see below), whose sum is σ = 69191579520. Its totient is φ = 25217381376.

The previous prime is 42171763021. The next prime is 42171763037. The reversal of 42171763023 is 32036717124.

42171763023 is a `hidden beast` number, since 4 + 2 + 1 + 7 + 17 + 630 + 2 + 3 = 666.

It is not a de Polignac number, because 42171763023 - 2¹ = 42171763021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42171763021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12946411 + ... + 12949667.

It is an arithmetic number, because the mean of its divisors is an integer number (1081118430).

Almost surely, 2^42171763023 is an apocalyptic number.

42171763023 is a deficient number, since it is larger than the sum of its proper divisors (27019816497).

42171763023 is a wasteful number, since it uses less digits than its factorization.

42171763023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313 (or 4307 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 42171763023 in words is "forty-two billion, one hundred seventy-one million, seven hundred sixty-three thousand, twenty-three".