42033123 has 12 divisors (see below), whose sum is σ = 66234168. Its totient is φ = 25474560.

The previous prime is 42033113. The next prime is 42033127. The reversal of 42033123 is 32133024.

It is not a de Polignac number, because 42033123 - 2⁵ = 42033091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42033096 and 42033105.

It is not an unprimeable number, because it can be changed into a prime (42033127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212190 + ... + 212387.

It is an arithmetic number, because the mean of its divisors is an integer number (5519514).

Almost surely, 2^42033123 is an apocalyptic number.

42033123 is a deficient number, since it is larger than the sum of its proper divisors (24201045).

42033123 is a wasteful number, since it uses less digits than its factorization.

42033123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424594 (or 424591 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 42033123 is about 6483.2956896936. The cubic root of 42033123 is about 347.6940185971.

Adding to 42033123 its reverse (32133024), we get a palindrome (74166147).

Subtracting from 42033123 its reverse (32133024), we obtain a palindrome (9900099).

The spelling of 42033123 in words is "forty-two million, thirty-three thousand, one hundred twenty-three".