1404123043 has 4 divisors (see below), whose sum is σ = 1404200448. Its totient is φ = 1404045640.

The previous prime is 1404123031. The next prime is 1404123053. The reversal of 1404123043 is 3403214041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1404123043 - 2¹³ = 1404114851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404123013) 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, 4830 + ... + 53212.

It is an arithmetic number, because the mean of its divisors is an integer number (351050112).

Almost surely, 2^1404123043 is an apocalyptic number.

1404123043 is a deficient number, since it is larger than the sum of its proper divisors (77405).

1404123043 is an equidigital number, since it uses as much as digits as its factorization.

1404123043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77404.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1404123043 is about 37471.6298417883. The cubic root of 1404123043 is about 1119.7860568710.

Adding to 1404123043 its reverse (3403214041), we get a palindrome (4807337084).

The spelling of 1404123043 in words is "one billion, four hundred four million, one hundred twenty-three thousand, forty-three".