233819424 has 72 divisors (see below), whose sum is σ = 666666000. Its totient is φ = 77735808.

The previous prime is 233819413. The next prime is 233819429. The reversal of 233819424 is 424918332.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (233819429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142899 + ... + 144525.

It is an arithmetic number, because the mean of its divisors is an integer number (9259250).

Almost surely, 2^233819424 is an apocalyptic number.

233819424 is a gapful number since it is divisible by the number (24) 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 233819424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333333000).

233819424 is an abundant number, since it is smaller than the sum of its proper divisors (432846576).

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

233819424 is a wasteful number, since it uses less digits than its factorization.

233819424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 2131 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 233819424 is about 15291.1550904436. The cubic root of 233819424 is about 616.0654622060.

The spelling of 233819424 in words is "two hundred thirty-three million, eight hundred nineteen thousand, four hundred twenty-four".