423699120 has 320 divisors, whose sum is σ = 1599897600. Its totient is φ = 102435840.

The previous prime is 423699113. The next prime is 423699127. The reversal of 423699120 is 21996324.

It is an interprime number because it is at equal distance from previous prime (423699113) and next prime (423699127).

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

It is not an unprimeable number, because it can be changed into a prime (423699127) 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, 2218225 + ... + 2218415.

It is an arithmetic number, because the mean of its divisors is an integer number (4999680).

Almost surely, 2^423699120 is an apocalyptic number.

423699120 is a gapful number since it is divisible by the number (40) 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 423699120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799948800).

423699120 is an abundant number, since it is smaller than the sum of its proper divisors (1176198480).

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

423699120 is a wasteful number, since it uses less digits than its factorization.

423699120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 423699120 is about 20583.9529731293. The cubic root of 423699120 is about 751.0794057657.

The spelling of 423699120 in words is "four hundred twenty-three million, six hundred ninety-nine thousand, one hundred twenty".