1423140434 has 16 divisors (see below), whose sum is σ = 2173471488. Its totient is φ = 698717712.

The previous prime is 1423140409. The next prime is 1423140443. The reversal of 1423140434 is 4340413241.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25727 + ... + 59229.

It is an arithmetic number, because the mean of its divisors is an integer number (135841968).

Almost surely, 2^1423140434 is an apocalyptic number.

1423140434 is a deficient number, since it is larger than the sum of its proper divisors (750331054).

1423140434 is a wasteful number, since it uses less digits than its factorization.

1423140434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33889.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1423140434 is about 37724.5335822724. The cubic root of 1423140434 is about 1124.8188505692.

Adding to 1423140434 its reverse (4340413241), we get a palindrome (5763553675).

The spelling of 1423140434 in words is "one billion, four hundred twenty-three million, one hundred forty thousand, four hundred thirty-four".