23331221032 has 48 divisors (see below), whose sum is σ = 50901922260. Its totient is φ = 9996408576.

The previous prime is 23331221009. The next prime is 23331221059. The reversal of 23331221032 is 23012213332.

It can be written as a sum of positive squares in 2 ways, for example, as 21860805316 + 1470415716 = 147854^2 + 38346^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23331220994 and 23331221012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2306578 + ... + 2316670.

Almost surely, 2^23331221032 is an apocalyptic number.

It is an amenable number.

23331221032 is an abundant number, since it is smaller than the sum of its proper divisors (27570701228).

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

23331221032 is a wasteful number, since it uses less digits than its factorization.

23331221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16010 (or 15999 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23331221032 its reverse (23012213332), we get a palindrome (46343434364).

The spelling of 23331221032 in words is "twenty-three billion, three hundred thirty-one million, two hundred twenty-one thousand, thirty-two".