42034523 has 8 divisors (see below), whose sum is σ = 44570592. Its totient is φ = 39505536.

The previous prime is 42034519. The next prime is 42034529. The reversal of 42034523 is 32543024.

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 42034523 - 2² = 42034519 is a prime.

It is a super-2 number, since 2×42034523² = 3533802247675058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42034529) 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, 15161 + ... + 17717.

It is an arithmetic number, because the mean of its divisors is an integer number (5571324).

Almost surely, 2^42034523 is an apocalyptic number.

42034523 is a deficient number, since it is larger than the sum of its proper divisors (2536069).

42034523 is a wasteful number, since it uses less digits than its factorization.

42034523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 42034523 is about 6483.4036585732. The cubic root of 42034523 is about 347.6978787768.

Adding to 42034523 its reverse (32543024), we get a palindrome (74577547).

It can be divided in two parts, 420 and 34523, that added together give a palindrome (34943).

The spelling of 42034523 in words is "forty-two million, thirty-four thousand, five hundred twenty-three".