23201111012 has 24 divisors (see below), whose sum is σ = 42995183616. Its totient is φ = 10916928128.

The previous prime is 23201111009. The next prime is 23201111027. The reversal of 23201111012 is 21011110232.

It is a super-2 number, since 2×23201111012² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902813 + ... + 928155.

It is an arithmetic number, because the mean of its divisors is an integer number (1791465984).

Almost surely, 2^23201111012 is an apocalyptic number.

It is an amenable number.

23201111012 is a deficient number, since it is larger than the sum of its proper divisors (19794072604).

23201111012 is a wasteful number, since it uses less digits than its factorization.

23201111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38827 (or 38825 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 23201111012 its reverse (21011110232), we get a palindrome (44212221244).

The spelling of 23201111012 in words is "twenty-three billion, two hundred one million, one hundred eleven thousand, twelve".