230133442 has 16 divisors (see below), whose sum is σ = 430379712. Its totient is φ = 89662320.

The previous prime is 230133439. The next prime is 230133443. The reversal of 230133442 is 244331032.

It is a happy number.

230133442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×230133442³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (230133443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747033 + ... + 747340.

It is an arithmetic number, because the mean of its divisors is an integer number (26898732).

Almost surely, 2^230133442 is an apocalyptic number.

230133442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

230133442 is a deficient number, since it is larger than the sum of its proper divisors (200246270).

230133442 is a wasteful number, since it uses less digits than its factorization.

230133442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494393.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 230133442 is about 15170.1497026232. The cubic root of 230133442 is about 612.8110358054.

Adding to 230133442 its reverse (244331032), we get a palindrome (474464474).

The spelling of 230133442 in words is "two hundred thirty million, one hundred thirty-three thousand, four hundred forty-two".