233304140 has 24 divisors (see below), whose sum is σ = 505744512. Its totient is φ = 90311040.

The previous prime is 233304139. The next prime is 233304163. The reversal of 233304140 is 41403332.

It is a super-2 number, since 2×233304140² = 108861643482279200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187529 + ... + 188768.

It is an arithmetic number, because the mean of its divisors is an integer number (21072688).

Almost surely, 2^233304140 is an apocalyptic number.

233304140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233304140 is an abundant number, since it is smaller than the sum of its proper divisors (272440372).

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

233304140 is a wasteful number, since it uses less digits than its factorization.

233304140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376337 (or 376335 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 233304140 is about 15274.2967104872. The cubic root of 233304140 is about 615.6125740318.

Adding to 233304140 its reverse (41403332), we get a palindrome (274707472).

The spelling of 233304140 in words is "two hundred thirty-three million, three hundred four thousand, one hundred forty".