1423211011 has 4 divisors (see below), whose sum is σ = 1425943224. Its totient is φ = 1420478800.

The previous prime is 1423210909. The next prime is 1423211021. The reversal of 1423211011 is 1101123241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1101123241 = 1051 ⋅1047691.

It is a cyclic number.

It is not a de Polignac number, because 1423211011 - 2⁹ = 1423210499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423211021) 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, 1365325 + ... + 1366366.

It is an arithmetic number, because the mean of its divisors is an integer number (356485806).

Almost surely, 2^1423211011 is an apocalyptic number.

1423211011 is a deficient number, since it is larger than the sum of its proper divisors (2732213).

1423211011 is an equidigital number, since it uses as much as digits as its factorization.

1423211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732212.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1423211011 is about 37725.4689964220. The cubic root of 1423211011 is about 1124.8374444305.

Adding to 1423211011 its reverse (1101123241), we get a palindrome (2524334252).

The spelling of 1423211011 in words is "one billion, four hundred twenty-three million, two hundred eleven thousand, eleven".