123255429 has 8 divisors (see below), whose sum is σ = 179280672. Its totient is φ = 74700240.

The previous prime is 123255427. The next prime is 123255443. The reversal of 123255429 is 924552321.

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

It is not a de Polignac number, because 123255429 - 2¹ = 123255427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 3735013 = 123255429 / (1 + 2 + 3 + 2 + 5 + 5 + 4 + 2 + 9).

It is a self number, because there is not a number n which added to its sum of digits gives 123255429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123255427) 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, 1867474 + ... + 1867539.

It is an arithmetic number, because the mean of its divisors is an integer number (22410084).

Almost surely, 2^123255429 is an apocalyptic number.

It is an amenable number.

123255429 is a deficient number, since it is larger than the sum of its proper divisors (56025243).

123255429 is a wasteful number, since it uses less digits than its factorization.

123255429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735027.

The product of its digits is 21600, while the sum is 33.

The square root of 123255429 is about 11102.0461627576. The cubic root of 123255429 is about 497.6629992062.

It can be divided in two parts, 123 and 255429, that added together give a palindrome (255552).

The spelling of 123255429 in words is "one hundred twenty-three million, two hundred fifty-five thousand, four hundred twenty-nine".