1420434423 has 12 divisors (see below), whose sum is σ = 2095393248. Its totient is φ = 926808000.

The previous prime is 1420434409. The next prime is 1420434427. The reversal of 1420434423 is 3244340241.

It is a happy number.

1420434423 is a `hidden beast` number, since 1 + 4 + 204 + 34 + 423 = 666.

It is not a de Polignac number, because 1420434423 - 2⁶ = 1420434359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420434427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1678578 + ... + 1679423.

It is an arithmetic number, because the mean of its divisors is an integer number (174616104).

Almost surely, 2^1420434423 is an apocalyptic number.

1420434423 is a deficient number, since it is larger than the sum of its proper divisors (674958825).

1420434423 is a wasteful number, since it uses less digits than its factorization.

1420434423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358054 (or 3358051 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1420434423 is about 37688.6511167487. The cubic root of 1420434423 is about 1124.1054744024.

Adding to 1420434423 its reverse (3244340241), we get a palindrome (4664774664).

The spelling of 1420434423 in words is "one billion, four hundred twenty million, four hundred thirty-four thousand, four hundred twenty-three".