23312032002 has 48 divisors (see below), whose sum is σ = 58070742912. Its totient is φ = 6620690880.

The previous prime is 23312031991. The next prime is 23312032021. The reversal of 23312032002 is 20023021332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 532899 + ... + 574982.

It is an arithmetic number, because the mean of its divisors is an integer number (1209807144).

Almost surely, 2^23312032002 is an apocalyptic number.

23312032002 is an abundant number, since it is smaller than the sum of its proper divisors (34758710910).

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

23312032002 is a wasteful number, since it uses less digits than its factorization.

23312032002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108063 (or 1108060 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23312032002 its reverse (20023021332), we get a palindrome (43335053334).

The spelling of 23312032002 in words is "twenty-three billion, three hundred twelve million, thirty-two thousand, two".