1420200423 has 24 divisors (see below), whose sum is σ = 2067594672. Its totient is φ = 939351168.

The previous prime is 1420200421. The next prime is 1420200443. The reversal of 1420200423 is 3240020241.

1420200423 is a `hidden beast` number, since 1 + 42 + 0 + 200 + 423 = 666.

It is not a de Polignac number, because 1420200423 - 2¹ = 1420200421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420200396 and 1420200405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420200421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1374315 + ... + 1375347.

It is an arithmetic number, because the mean of its divisors is an integer number (86149778).

Almost surely, 2^1420200423 is an apocalyptic number.

1420200423 is a deficient number, since it is larger than the sum of its proper divisors (647394249).

1420200423 is a wasteful number, since it uses less digits than its factorization.

1420200423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1420200423 is about 37685.5466060929. The cubic root of 1420200423 is about 1124.0437432582.

Adding to 1420200423 its reverse (3240020241), we get a palindrome (4660220664).

The spelling of 1420200423 in words is "one billion, four hundred twenty million, two hundred thousand, four hundred twenty-three".