1042133423 has 4 divisors (see below), whose sum is σ = 1066369128. Its totient is φ = 1017897720.

The previous prime is 1042133419. The next prime is 1042133437. The reversal of 1042133423 is 3243312401.

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

It is not a de Polignac number, because 1042133423 - 2² = 1042133419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042133483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12117788 + ... + 12117873.

It is an arithmetic number, because the mean of its divisors is an integer number (266592282).

Almost surely, 2^1042133423 is an apocalyptic number.

1042133423 is a deficient number, since it is larger than the sum of its proper divisors (24235705).

1042133423 is an equidigital number, since it uses as much as digits as its factorization.

1042133423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24235704.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1042133423 is about 32282.0913665766. The cubic root of 1042133423 is about 1013.8517183226.

Adding to 1042133423 its reverse (3243312401), we get a palindrome (4285445824).

The spelling of 1042133423 in words is "one billion, forty-two million, one hundred thirty-three thousand, four hundred twenty-three".