233432940 has 72 divisors (see below), whose sum is σ = 707788368. Its totient is φ = 57457920.

The previous prime is 233432923. The next prime is 233432951. The reversal of 233432940 is 49234332.

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 = 233432898 and 233432907.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1371 + ... + 21650.

It is an arithmetic number, because the mean of its divisors is an integer number (9830394).

Almost surely, 2^233432940 is an apocalyptic number.

233432940 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 233432940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353894184).

233432940 is an abundant number, since it is smaller than the sum of its proper divisors (474355428).

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

233432940 is a wasteful number, since it uses less digits than its factorization.

233432940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23059 (or 23044 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 233432940 is about 15278.5123621379. The cubic root of 233432940 is about 615.7258400782.

The spelling of 233432940 in words is "two hundred thirty-three million, four hundred thirty-two thousand, nine hundred forty".