233456340 has 96 divisors (see below), whose sum is σ = 707575680. Its totient is φ = 57171456.

The previous prime is 233456323. The next prime is 233456369. The reversal of 233456340 is 43654332.

233456340 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 233456298 and 233456307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177967 + ... + 179273.

It is an arithmetic number, because the mean of its divisors is an integer number (7370580).

Almost surely, 2^233456340 is an apocalyptic number.

233456340 is a gapful number since it is divisible by the number (20) 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 233456340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353787840).

233456340 is an abundant number, since it is smaller than the sum of its proper divisors (474119340).

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

233456340 is a wasteful number, since it uses less digits than its factorization.

233456340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 233456340 is about 15279.2781243094. The cubic root of 233456340 is about 615.7464134432.

The spelling of 233456340 in words is "two hundred thirty-three million, four hundred fifty-six thousand, three hundred forty".