423356123 has 8 divisors (see below), whose sum is σ = 438918480. Its totient is φ = 407858080.

The previous prime is 423356069. The next prime is 423356137. The reversal of 423356123 is 321653324.

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 423356123 - 2¹⁴ = 423339739 is a prime.

It is a super-3 number, since 3×423356123³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (423356723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2465 + ... + 29202.

It is an arithmetic number, because the mean of its divisors is an integer number (54864810).

Almost surely, 2^423356123 is an apocalyptic number.

423356123 is a deficient number, since it is larger than the sum of its proper divisors (15562357).

423356123 is a wasteful number, since it uses less digits than its factorization.

423356123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32157.

The product of its digits is 12960, while the sum is 29.

The square root of 423356123 is about 20575.6196261498. The cubic root of 423356123 is about 750.8766773683.

The spelling of 423356123 in words is "four hundred twenty-three million, three hundred fifty-six thousand, one hundred twenty-three".