233120040 has 64 divisors (see below), whose sum is σ = 710847360. Its totient is φ = 61144320.

The previous prime is 233120039. The next prime is 233120053. The reversal of 233120040 is 40021332.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8604 + ... + 23243.

It is an arithmetic number, because the mean of its divisors is an integer number (11106990).

Almost surely, 2^233120040 is an apocalyptic number.

233120040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233120040 is an abundant number, since it is smaller than the sum of its proper divisors (477727320).

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

233120040 is a wasteful number, since it uses less digits than its factorization.

233120040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31922 (or 31918 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 233120040 is about 15268.2690571001. The cubic root of 233120040 is about 615.4506050549.

Adding to 233120040 its reverse (40021332), we get a palindrome (273141372).

The spelling of 233120040 in words is "two hundred thirty-three million, one hundred twenty thousand, forty".