233349012 has 144 divisors (see below), whose sum is σ = 672060480. Its totient is φ = 70357248.

The previous prime is 233348981. The next prime is 233349019. The reversal of 233349012 is 210943332.

It is a happy number.

It is a super-2 number, since 2×233349012² = 108903522802752288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233349019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 745368 + ... + 745680.

Almost surely, 2^233349012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233349012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336030240).

233349012 is an abundant number, since it is smaller than the sum of its proper divisors (438711468).

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

233349012 is a wasteful number, since it uses less digits than its factorization.

233349012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 233349012 is about 15275.7655127329. The cubic root of 233349012 is about 615.6520389646.

The spelling of 233349012 in words is "two hundred thirty-three million, three hundred forty-nine thousand, twelve".