23121232132 has 12 divisors (see below), whose sum is σ = 40471961040. Its totient is φ = 11557814696.

The previous prime is 23121232117. The next prime is 23121232151. The reversal of 23121232132 is 23123212132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681718 + ... + 714829.

It is an arithmetic number, because the mean of its divisors is an integer number (3372663420).

Almost surely, 2^23121232132 is an apocalyptic number.

It is an amenable number.

23121232132 is a deficient number, since it is larger than the sum of its proper divisors (17350728908).

23121232132 is a wasteful number, since it uses less digits than its factorization.

23121232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400690 (or 1400688 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 23121232132 its reverse (23123212132), we get a palindrome (46244444264).

The spelling of 23121232132 in words is "twenty-three billion, one hundred twenty-one million, two hundred thirty-two thousand, one hundred thirty-two".