1231422144023 has 2 divisors, whose sum is σ = 1231422144024. Its totient is φ = 1231422144022.

The previous prime is 1231422143981. The next prime is 1231422144031. The reversal of 1231422144023 is 3204412241321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231422144023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231422143023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615711072011 + 615711072012.

It is an arithmetic number, because the mean of its divisors is an integer number (615711072012).

Almost surely, 2^{1231422144023} is an apocalyptic number.

1231422144023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231422144023 is an equidigital number, since it uses as much as digits as its factorization.

1231422144023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1231422144023 its reverse (3204412241321), we get a palindrome (4435834385344).

The spelling of 1231422144023 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-two million, one hundred forty-four thousand, twenty-three".