423953460 has 192 divisors, whose sum is σ = 1586995200. Its totient is φ = 91787904.

The previous prime is 423953447. The next prime is 423953461. The reversal of 423953460 is 64359324.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423953461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68869 + ... + 74771.

It is an arithmetic number, because the mean of its divisors is an integer number (8265600).

Almost surely, 2^423953460 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 423953460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793497600).

423953460 is an abundant number, since it is smaller than the sum of its proper divisors (1163041740).

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

423953460 is a wasteful number, since it uses less digits than its factorization.

423953460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947 (or 5939 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 423953460 is about 20590.1301598606. The cubic root of 423953460 is about 751.2296628040.

The spelling of 423953460 in words is "four hundred twenty-three million, nine hundred fifty-three thousand, four hundred sixty".