1423021133231 has 2 divisors, whose sum is σ = 1423021133232. Its totient is φ = 1423021133230.

The previous prime is 1423021133167. The next prime is 1423021133291. The reversal of 1423021133231 is 1323311203241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423021133231 - 2⁶ = 1423021133167 is a prime.

It is a super-2 number, since 2×1423021133231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1423021133231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423021133291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711510566615 + 711510566616.

It is an arithmetic number, because the mean of its divisors is an integer number (711510566616).

Almost surely, 2^{1423021133231} is an apocalyptic number.

1423021133231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423021133231 is an equidigital number, since it uses as much as digits as its factorization.

1423021133231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1423021133231 its reverse (1323311203241), we get a palindrome (2746332336472).

The spelling of 1423021133231 in words is "one trillion, four hundred twenty-three billion, twenty-one million, one hundred thirty-three thousand, two hundred thirty-one".