23111020132 has 6 divisors (see below), whose sum is σ = 40444285238. Its totient is φ = 11555510064.

The previous prime is 23111020129. The next prime is 23111020157. The reversal of 23111020132 is 23102011132.

It can be written as a sum of positive squares in only one way, i.e., 19584323136 + 3526696996 = 139944^2 + 59386^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2888877513 + ... + 2888877520.

Almost surely, 2^23111020132 is an apocalyptic number.

It is an amenable number.

23111020132 is a deficient number, since it is larger than the sum of its proper divisors (17333265106).

23111020132 is a wasteful number, since it uses less digits than its factorization.

23111020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777755037 (or 5777755035 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23111020132 its reverse (23102011132), we get a palindrome (46213031264).

The spelling of 23111020132 in words is "twenty-three billion, one hundred eleven million, twenty thousand, one hundred thirty-two".