423960012 has 144 divisors (see below), whose sum is σ = 1288035840. Its totient is φ = 114960384.

The previous prime is 423960011. The next prime is 423960029. The reversal of 423960012 is 210069324.

423960012 is a `hidden beast` number, since 42 + 3 + 9 + 600 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (423960011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1118439 + ... + 1118817.

Almost surely, 2^423960012 is an apocalyptic number.

423960012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423960012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644017920).

423960012 is an abundant number, since it is smaller than the sum of its proper divisors (864075828).

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

423960012 is a wasteful number, since it uses less digits than its factorization.

423960012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 423960012 is about 20590.2892646024. The cubic root of 423960012 is about 751.2335327503.

The spelling of 423960012 in words is "four hundred twenty-three million, nine hundred sixty thousand, twelve".