42133023433 has 4 divisors (see below), whose sum is σ = 43585886340. Its totient is φ = 40680160528.

The previous prime is 42133023389. The next prime is 42133023437. The reversal of 42133023433 is 33432033124.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7129606969 + 35003416464 = 84437^2 + 187092^2 .

It is a cyclic number.

It is not a de Polignac number, because 42133023433 - 2²¹ = 42130926281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42133023437) 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, 726431410 + ... + 726431467.

It is an arithmetic number, because the mean of its divisors is an integer number (10896471585).

Almost surely, 2^42133023433 is an apocalyptic number.

It is an amenable number.

42133023433 is a deficient number, since it is larger than the sum of its proper divisors (1452862907).

42133023433 is a wasteful number, since it uses less digits than its factorization.

42133023433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452862906.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 42133023433 its reverse (33432033124), we get a palindrome (75565056557).

The spelling of 42133023433 in words is "forty-two billion, one hundred thirty-three million, twenty-three thousand, four hundred thirty-three".