129223483 has 2 divisors, whose sum is σ = 129223484. Its totient is φ = 129223482.

The previous prime is 129223481. The next prime is 129223489. The reversal of 129223483 is 384322921.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129223483 - 2¹ = 129223481 is a prime.

Together with 129223481, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (129223481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64611741 + 64611742.

It is an arithmetic number, because the mean of its divisors is an integer number (64611742).

Almost surely, 2^129223483 is an apocalyptic number.

129223483 is a deficient number, since it is larger than the sum of its proper divisors (1).

129223483 is an equidigital number, since it uses as much as digits as its factorization.

129223483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 129223483 is about 11367.6507247540. The cubic root of 129223483 is about 505.5690516991.

The spelling of 129223483 in words is "one hundred twenty-nine million, two hundred twenty-three thousand, four hundred eighty-three".