233504140 has 12 divisors (see below), whose sum is σ = 490358736. Its totient is φ = 93401648.

The previous prime is 233504137. The next prime is 233504153. The reversal of 233504140 is 41405332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5837584 + ... + 5837623.

It is an arithmetic number, because the mean of its divisors is an integer number (40863228).

Almost surely, 2^233504140 is an apocalyptic number.

233504140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233504140 is an abundant number, since it is smaller than the sum of its proper divisors (256854596).

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

233504140 is a wasteful number, since it uses less digits than its factorization.

233504140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11675216 (or 11675214 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 233504140 is about 15280.8422542738. The cubic root of 233504140 is about 615.7884351049.

Adding to 233504140 its reverse (41405332), we get a palindrome (274909472).

The spelling of 233504140 in words is "two hundred thirty-three million, five hundred four thousand, one hundred forty".