232233140 has 24 divisors (see below), whose sum is σ = 493866240. Its totient is φ = 91716768.

The previous prime is 232233101. The next prime is 232233149. The reversal of 232233140 is 41332232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232233149) 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, 71912 + ... + 75071.

It is an arithmetic number, because the mean of its divisors is an integer number (20577760).

Almost surely, 2^232233140 is an apocalyptic number.

232233140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232233140 is an abundant number, since it is smaller than the sum of its proper divisors (261633100).

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

232233140 is a wasteful number, since it uses less digits than its factorization.

232233140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147071 (or 147069 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 232233140 is about 15239.1974854321. The cubic root of 232233140 is about 614.6691237996.

Adding to 232233140 its reverse (41332232), we get a palindrome (273565372).

The spelling of 232233140 in words is "two hundred thirty-two million, two hundred thirty-three thousand, one hundred forty".