42433123 has 4 divisors (see below), whose sum is σ = 42450408. Its totient is φ = 42415840.

The previous prime is 42433103. The next prime is 42433129. The reversal of 42433123 is 32133424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42433123 - 2¹³ = 42424931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42433094 and 42433103.

It is not an unprimeable number, because it can be changed into a prime (42433129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4198 + ... + 10123.

It is an arithmetic number, because the mean of its divisors is an integer number (10612602).

Almost surely, 2^42433123 is an apocalyptic number.

42433123 is a deficient number, since it is larger than the sum of its proper divisors (17285).

42433123 is a wasteful number, since it uses less digits than its factorization.

42433123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17284.

The product of its digits is 1728, while the sum is 22.

The square root of 42433123 is about 6514.0711540480. The cubic root of 42433123 is about 348.7934591251.

Adding to 42433123 its reverse (32133424), we get a palindrome (74566547).

The spelling of 42433123 in words is "forty-two million, four hundred thirty-three thousand, one hundred twenty-three".