1423622011 has 4 divisors (see below), whose sum is σ = 1626996592. Its totient is φ = 1220247432.

The previous prime is 1423621999. The next prime is 1423622047. The reversal of 1423622011 is 1102263241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1423622011 - 2⁷ = 1423621883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423622071) 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, 101687280 + ... + 101687293.

It is an arithmetic number, because the mean of its divisors is an integer number (406749148).

Almost surely, 2^1423622011 is an apocalyptic number.

1423622011 is a deficient number, since it is larger than the sum of its proper divisors (203374581).

1423622011 is an equidigital number, since it uses as much as digits as its factorization.

1423622011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203374580.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1423622011 is about 37730.9158515931. The cubic root of 1423622011 is about 1124.9457122116.

Adding to 1423622011 its reverse (1102263241), we get a palindrome (2525885252).

The spelling of 1423622011 in words is "one billion, four hundred twenty-three million, six hundred twenty-two thousand, eleven".