123412361143 has 2 divisors, whose sum is σ = 123412361144. Its totient is φ = 123412361142.

The previous prime is 123412361141. The next prime is 123412361197. The reversal of 123412361143 is 341163214321.

It is a weak prime.

It is an emirp because it is prime and its reverse (341163214321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123412361143 - 2¹ = 123412361141 is a prime.

It is a super-2 number, since 2×123412361143² (a number of 23 digits) contains 22 as substring.

Together with 123412361141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123412361141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61706180571 + 61706180572.

It is an arithmetic number, because the mean of its divisors is an integer number (61706180572).

Almost surely, 2^123412361143 is an apocalyptic number.

123412361143 is a deficient number, since it is larger than the sum of its proper divisors (1).

123412361143 is an equidigital number, since it uses as much as digits as its factorization.

123412361143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

Adding to 123412361143 its reverse (341163214321), we get a palindrome (464575575464).

The spelling of 123412361143 in words is "one hundred twenty-three billion, four hundred twelve million, three hundred sixty-one thousand, one hundred forty-three".