42534350523 has 48 divisors (see below), whose sum is σ = 75112390080. Its totient is φ = 22639730688.

The previous prime is 42534350519. The next prime is 42534350563. The reversal of 42534350523 is 32505343524.

42534350523 is a `hidden beast` number, since 4 + 253 + 4 + 350 + 52 + 3 = 666.

It is not a de Polignac number, because 42534350523 - 2² = 42534350519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42534350563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100828 + ... + 308601.

It is an arithmetic number, because the mean of its divisors is an integer number (1564841460).

Almost surely, 2^42534350523 is an apocalyptic number.

42534350523 is a deficient number, since it is larger than the sum of its proper divisors (32578039557).

42534350523 is a wasteful number, since it uses less digits than its factorization.

42534350523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409556 (or 409553 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

The spelling of 42534350523 in words is "forty-two billion, five hundred thirty-four million, three hundred fifty thousand, five hundred twenty-three".