423742200 has 384 divisors, whose sum is σ = 1607040000. Its totient is φ = 92198400.

The previous prime is 423742183. The next prime is 423742213. The reversal of 423742200 is 2247324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5968165 + ... + 5968235.

It is an arithmetic number, because the mean of its divisors is an integer number (4185000).

Almost surely, 2^423742200 is an apocalyptic number.

423742200 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 423742200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803520000).

423742200 is an abundant number, since it is smaller than the sum of its proper divisors (1183297800).

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

423742200 is a wasteful number, since it uses less digits than its factorization.

423742200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 423742200 is about 20584.9993927617. Note that the first 3 decimals coincide. The cubic root of 423742200 is about 751.1048604674.

Adding to 423742200 its reverse (2247324), we get a palindrome (425989524).

The spelling of 423742200 in words is "four hundred twenty-three million, seven hundred forty-two thousand, two hundred".