113121343 has 2 divisors, whose sum is σ = 113121344. Its totient is φ = 113121342.

The previous prime is 113121341. The next prime is 113121361. The reversal of 113121343 is 343121311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113121343 - 2¹ = 113121341 is a prime.

Together with 113121341, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 113121343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113121341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56560671 + 56560672.

It is an arithmetic number, because the mean of its divisors is an integer number (56560672).

Almost surely, 2^113121343 is an apocalyptic number.

113121343 is a deficient number, since it is larger than the sum of its proper divisors (1).

113121343 is an equidigital number, since it uses as much as digits as its factorization.

113121343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 113121343 is about 10635.8517759510. The cubic root of 113121343 is about 483.6318019639.

Adding to 113121343 its reverse (343121311), we get a palindrome (456242654).

The spelling of 113121343 in words is "one hundred thirteen million, one hundred twenty-one thousand, three hundred forty-three".