1423043402 has 8 divisors (see below), whose sum is σ = 2328616512. Its totient is φ = 646837900.

The previous prime is 1423043389. The next prime is 1423043417. The reversal of 1423043402 is 2043403241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32341874 + ... + 32341917.

It is an arithmetic number, because the mean of its divisors is an integer number (291077064).

Almost surely, 2^1423043402 is an apocalyptic number.

1423043402 is a deficient number, since it is larger than the sum of its proper divisors (905573110).

1423043402 is a wasteful number, since it uses less digits than its factorization.

1423043402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64683804.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1423043402 is about 37723.2475007123. The cubic root of 1423043402 is about 1124.7932860030.

Adding to 1423043402 its reverse (2043403241), we get a palindrome (3466446643).

The spelling of 1423043402 in words is "one billion, four hundred twenty-three million, forty-three thousand, four hundred two".