1423354043 has 4 divisors (see below), whose sum is σ = 1423612008. Its totient is φ = 1423096080.

The previous prime is 1423354039. The next prime is 1423354081. The reversal of 1423354043 is 3404533241.

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 1423354043 - 2² = 1423354039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423353997 and 1423354015.

It is not an unprimeable number, because it can be changed into a prime (1423354003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120521 + ... + 131802.

It is an arithmetic number, because the mean of its divisors is an integer number (355903002).

Almost surely, 2^1423354043 is an apocalyptic number.

1423354043 is a deficient number, since it is larger than the sum of its proper divisors (257965).

1423354043 is an equidigital number, since it uses as much as digits as its factorization.

1423354043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257964.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 1423354043 is about 37727.3646442473. The cubic root of 1423354043 is about 1124.8751250365.

Adding to 1423354043 its reverse (3404533241), we get a palindrome (4827887284).

The spelling of 1423354043 in words is "one billion, four hundred twenty-three million, three hundred fifty-four thousand, forty-three".