429012823 has 4 divisors (see below), whose sum is σ = 429100840. Its totient is φ = 428924808.

The previous prime is 429012821. The next prime is 429012827. The reversal of 429012823 is 328210924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 429012823 - 2¹ = 429012821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429012821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36240 + ... + 46597.

It is an arithmetic number, because the mean of its divisors is an integer number (107275210).

Almost surely, 2^429012823 is an apocalyptic number.

429012823 is a deficient number, since it is larger than the sum of its proper divisors (88017).

429012823 is an equidigital number, since it uses as much as digits as its factorization.

429012823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88016.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 429012823 is about 20712.6247250318. The cubic root of 429012823 is about 754.2061875867.

The spelling of 429012823 in words is "four hundred twenty-nine million, twelve thousand, eight hundred twenty-three".