123441143433437 has 2 divisors, whose sum is σ = 123441143433438. Its totient is φ = 123441143433436.

The previous prime is 123441143433431. The next prime is 123441143433463. The reversal of 123441143433437 is 734334341144321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121682387388676 + 1758756044761 = 11030974^2 + 1326181^2 .

It is a cyclic number.

It is not a de Polignac number, because 123441143433437 - 2³⁶ = 123372423956701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123441143433391 and 123441143433400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123441143433431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61720571716718 + 61720571716719.

It is an arithmetic number, because the mean of its divisors is an integer number (61720571716719).

Almost surely, 2^{123441143433437} is an apocalyptic number.

It is an amenable number.

123441143433437 is a deficient number, since it is larger than the sum of its proper divisors (1).

123441143433437 is an equidigital number, since it uses as much as digits as its factorization.

123441143433437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 47.

Adding to 123441143433437 its reverse (734334341144321), we get a palindrome (857775484577758).

The spelling of 123441143433437 in words is "one hundred twenty-three trillion, four hundred forty-one billion, one hundred forty-three million, four hundred thirty-three thousand, four hundred thirty-seven".