1400230443 has 4 divisors (see below), whose sum is σ = 1866973928. Its totient is φ = 933486960.

The previous prime is 1400230411. The next prime is 1400230453. The reversal of 1400230443 is 3440320041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3440320041 = 3 ⋅1146773347.

It is not a de Polignac number, because 1400230443 - 2⁵ = 1400230411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400230453) 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, 233371738 + ... + 233371743.

It is an arithmetic number, because the mean of its divisors is an integer number (466743482).

Almost surely, 2^1400230443 is an apocalyptic number.

1400230443 is a deficient number, since it is larger than the sum of its proper divisors (466743485).

1400230443 is an equidigital number, since it uses as much as digits as its factorization.

1400230443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466743484.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1400230443 is about 37419.6531651484. The cubic root of 1400230443 is about 1118.7503182463.

Adding to 1400230443 its reverse (3440320041), we get a palindrome (4840550484).

The spelling of 1400230443 in words is "one billion, four hundred million, two hundred thirty thousand, four hundred forty-three".