233432143320 has 128 divisors (see below), whose sum is σ = 742102560000. Its totient is φ = 58576458240.

The previous prime is 233432143313. The next prime is 233432143327. The reversal of 233432143320 is 23341234332.

It is an interprime number because it is at equal distance from previous prime (233432143313) and next prime (233432143327).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233432143327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3846 + ... + 683285.

It is an arithmetic number, because the mean of its divisors is an integer number (5797676250).

Almost surely, 2^233432143320 is an apocalyptic number.

233432143320 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 233432143320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371051280000).

233432143320 is an abundant number, since it is smaller than the sum of its proper divisors (508670416680).

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

233432143320 is a wasteful number, since it uses less digits than its factorization.

233432143320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687313 (or 687309 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 233432143320 its reverse (23341234332), we get a palindrome (256773377652).

The spelling of 233432143320 in words is "two hundred thirty-three billion, four hundred thirty-two million, one hundred forty-three thousand, three hundred twenty".