423493356 has 192 divisors, whose sum is σ = 1264435200. Its totient is φ = 108345600.

The previous prime is 423493349. The next prime is 423493361. The reversal of 423493356 is 653394324.

It is a super-2 number, since 2×423493356² = 358693245152285472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1010515 + ... + 1010933.

It is an arithmetic number, because the mean of its divisors is an integer number (6585600).

Almost surely, 2^423493356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423493356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632217600).

423493356 is an abundant number, since it is smaller than the sum of its proper divisors (840941844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423493356 is a wasteful number, since it uses less digits than its factorization.

423493356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 498 counting only the distinct ones).

The product of its digits is 233280, while the sum is 39.

The square root of 423493356 is about 20578.9542008334. The cubic root of 423493356 is about 750.9578020773.

The spelling of 423493356 in words is "four hundred twenty-three million, four hundred ninety-three thousand, three hundred fifty-six".