1423521433123 has 2 divisors, whose sum is σ = 1423521433124. Its totient is φ = 1423521433122.

The previous prime is 1423521433097. The next prime is 1423521433133. The reversal of 1423521433123 is 3213341253241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423521433123 - 2²¹ = 1423519335971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423521433133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711760716561 + 711760716562.

It is an arithmetic number, because the mean of its divisors is an integer number (711760716562).

Almost surely, 2^{1423521433123} is an apocalyptic number.

1423521433123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423521433123 is an equidigital number, since it uses as much as digits as its factorization.

1423521433123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 34.

Adding to 1423521433123 its reverse (3213341253241), we get a palindrome (4636862686364).

The spelling of 1423521433123 in words is "one trillion, four hundred twenty-three billion, five hundred twenty-one million, four hundred thirty-three thousand, one hundred twenty-three".