429964023 has 4 divisors (see below), whose sum is σ = 573285368. Its totient is φ = 286642680.

The previous prime is 429963971. The next prime is 429964039. The reversal of 429964023 is 320469924.

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

It is not a de Polignac number, because 429964023 - 2⁶ = 429963959 is a prime.

It is a super-2 number, since 2×429964023² = 369738122148689058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429965023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71660668 + ... + 71660673.

It is an arithmetic number, because the mean of its divisors is an integer number (143321342).

Almost surely, 2^429964023 is an apocalyptic number.

429964023 is a deficient number, since it is larger than the sum of its proper divisors (143321345).

429964023 is a wasteful number, since it uses less digits than its factorization.

429964023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143321344.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 429964023 is about 20735.5738526813. The cubic root of 429964023 is about 754.7631805531.

The spelling of 429964023 in words is "four hundred twenty-nine million, nine hundred sixty-four thousand, twenty-three".