1423223011 has 4 divisors (see below), whose sum is σ = 1626540592. Its totient is φ = 1219905432.

The previous prime is 1423222991. The next prime is 1423223023. The reversal of 1423223011 is 1103223241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1103223241 = 59 ⋅18698699.

It is a cyclic number.

It is not a de Polignac number, because 1423223011 - 2⁵ = 1423222979 is a prime.

It is a super-2 number, since 2×1423223011² = 4051127478079812242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423223011.

It is not an unprimeable number, because it can be changed into a prime (1423223041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101658780 + ... + 101658793.

It is an arithmetic number, because the mean of its divisors is an integer number (406635148).

Almost surely, 2^1423223011 is an apocalyptic number.

1423223011 is a deficient number, since it is larger than the sum of its proper divisors (203317581).

1423223011 is an equidigital number, since it uses as much as digits as its factorization.

1423223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203317580.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1423223011 is about 37725.6280398352. The cubic root of 1423223011 is about 1124.8406058290.

Adding to 1423223011 its reverse (1103223241), we get a palindrome (2526446252).

The spelling of 1423223011 in words is "one billion, four hundred twenty-three million, two hundred twenty-three thousand, eleven".