1423420233 has 4 divisors (see below), whose sum is σ = 1897893648. Its totient is φ = 948946820.

The previous prime is 1423420189. The next prime is 1423420237. The reversal of 1423420233 is 3320243241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1423420233 - 2¹³ = 1423412041 is a prime.

It is a super-2 number, since 2×1423420233² = 4052250319427548578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1423420237) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 237236703 + ... + 237236708.

It is an arithmetic number, because the mean of its divisors is an integer number (474473412).

Almost surely, 2^1423420233 is an apocalyptic number.

It is an amenable number.

1423420233 is a deficient number, since it is larger than the sum of its proper divisors (474473415).

1423420233 is an equidigital number, since it uses as much as digits as its factorization.

1423420233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474473414.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1423420233 is about 37728.2418487795. The cubic root of 1423420233 is about 1124.8925613942.

Adding to 1423420233 its reverse (3320243241), we get a palindrome (4743663474).

The spelling of 1423420233 in words is "one billion, four hundred twenty-three million, four hundred twenty thousand, two hundred thirty-three".