1423430345 has 24 divisors (see below), whose sum is σ = 1780519104. Its totient is φ = 1092354368.

The previous prime is 1423430339. The next prime is 1423430357. The reversal of 1423430345 is 5430343241.

It is not a de Polignac number, because 1423430345 - 2²⁶ = 1356321481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 701222 + ... + 703248.

It is an arithmetic number, because the mean of its divisors is an integer number (74188296).

Almost surely, 2^1423430345 is an apocalyptic number.

It is an amenable number.

1423430345 is a deficient number, since it is larger than the sum of its proper divisors (357088759).

1423430345 is a wasteful number, since it uses less digits than its factorization.

1423430345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257 (or 2228 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 1423430345 is about 37728.3758595570. The cubic root of 1423430345 is about 1124.8952251394.

Adding to 1423430345 its reverse (5430343241), we get a palindrome (6853773586).

The spelling of 1423430345 in words is "one billion, four hundred twenty-three million, four hundred thirty thousand, three hundred forty-five".