423257629 has 8 divisors (see below), whose sum is σ = 431619840. Its totient is φ = 414909456.

The previous prime is 423257609. The next prime is 423257633. The reversal of 423257629 is 926752324.

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 423257629 - 2¹⁵ = 423224861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423257591 and 423257600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423257609) 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, 73932 + ... + 79450.

It is an arithmetic number, because the mean of its divisors is an integer number (53952480).

Almost surely, 2^423257629 is an apocalyptic number.

It is an amenable number.

423257629 is a deficient number, since it is larger than the sum of its proper divisors (8362211).

423257629 is a wasteful number, since it uses less digits than its factorization.

423257629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7019.

The product of its digits is 181440, while the sum is 40.

The square root of 423257629 is about 20573.2260231593. The cubic root of 423257629 is about 750.8184422485.

The spelling of 423257629 in words is "four hundred twenty-three million, two hundred fifty-seven thousand, six hundred twenty-nine".