1431423043 has 4 divisors (see below), whose sum is σ = 1433758768. Its totient is φ = 1429087320.

The previous prime is 1431423031. The next prime is 1431423053. The reversal of 1431423043 is 3403241341.

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 1431423043 - 2¹³ = 1431414851 is a prime.

It is a super-3 number, since 3×1431423043³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1431422999 and 1431423017.

It is not an unprimeable number, because it can be changed into a prime (1431423053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166943 + ... + 1168168.

It is an arithmetic number, because the mean of its divisors is an integer number (358439692).

Almost surely, 2^1431423043 is an apocalyptic number.

1431423043 is a deficient number, since it is larger than the sum of its proper divisors (2335725).

1431423043 is an equidigital number, since it uses as much as digits as its factorization.

1431423043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335724.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1431423043 is about 37834.1518075931. The cubic root of 1431423043 is about 1126.9967614745.

Adding to 1431423043 its reverse (3403241341), we get a palindrome (4834664384).

The spelling of 1431423043 in words is "one billion, four hundred thirty-one million, four hundred twenty-three thousand, forty-three".