129223763 has 8 divisors (see below), whose sum is σ = 131360256. Its totient is φ = 127096200.

The previous prime is 129223753. The next prime is 129223789. The reversal of 129223763 is 367322921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129223763 - 2¹⁸ = 128961619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129223733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30908 + ... + 34838.

It is an arithmetic number, because the mean of its divisors is an integer number (16420032).

Almost surely, 2^129223763 is an apocalyptic number.

129223763 is a deficient number, since it is larger than the sum of its proper divisors (2136493).

129223763 is an equidigital number, since it uses as much as digits as its factorization.

129223763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465.

The product of its digits is 27216, while the sum is 35.

The square root of 129223763 is about 11367.6630403966. The cubic root of 129223763 is about 505.5694168526.

The spelling of 129223763 in words is "one hundred twenty-nine million, two hundred twenty-three thousand, seven hundred sixty-three".