33120023230 has 32 divisors (see below), whose sum is σ = 71094910464. Its totient is φ = 10861721376.

The previous prime is 33120023227. The next prime is 33120023297. The reversal of 33120023230 is 3232002133.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 33120023198 and 33120023207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10284112 + ... + 10287331.

It is an arithmetic number, because the mean of its divisors is an integer number (2221715952).

Almost surely, 2^33120023230 is an apocalyptic number.

33120023230 is an abundant number, since it is smaller than the sum of its proper divisors (37974887234).

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

33120023230 is a wasteful number, since it uses less digits than its factorization.

33120023230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20571480.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 33120023230 its reverse (3232002133), we get a palindrome (36352025363).

The spelling of 33120023230 in words is "thirty-three billion, one hundred twenty million, twenty-three thousand, two hundred thirty".