23123220132 has 24 divisors (see below), whose sum is σ = 54277263936. Its totient is φ = 7661585248.

The previous prime is 23123220121. The next prime is 23123220181. The reversal of 23123220132 is 23102232132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23123220099 and 23123220108.

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 7 ways as a sum of consecutive naturals, for example, 5767263 + ... + 5771270.

It is an arithmetic number, because the mean of its divisors is an integer number (2261552664).

Almost surely, 2^23123220132 is an apocalyptic number.

It is an amenable number.

23123220132 is an abundant number, since it is smaller than the sum of its proper divisors (31154043804).

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

23123220132 is a wasteful number, since it uses less digits than its factorization.

23123220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11538707 (or 11538705 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23123220132 its reverse (23102232132), we get a palindrome (46225452264).

The spelling of 23123220132 in words is "twenty-three billion, one hundred twenty-three million, two hundred twenty thousand, one hundred thirty-two".