1431423542 has 4 divisors (see below), whose sum is σ = 2147135316. Its totient is φ = 715711770.

The previous prime is 1431423541. The next prime is 1431423547. The reversal of 1431423542 is 2453241341.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431423541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357855884 + ... + 357855887.

It is an arithmetic number, because the mean of its divisors is an integer number (536783829).

Almost surely, 2^1431423542 is an apocalyptic number.

1431423542 is a deficient number, since it is larger than the sum of its proper divisors (715711774).

1431423542 is an equidigital number, since it uses as much as digits as its factorization.

1431423542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715711773.

The product of its digits is 11520, while the sum is 29.

The square root of 1431423542 is about 37834.1584021635. The cubic root of 1431423542 is about 1126.9968924331.

Adding to 1431423542 its reverse (2453241341), we get a palindrome (3884664883).

The spelling of 1431423542 in words is "one billion, four hundred thirty-one million, four hundred twenty-three thousand, five hundred forty-two".