123212023101 has 16 divisors (see below), whose sum is σ = 183333441600. Its totient is φ = 81782648784.

The previous prime is 123212023069. The next prime is 123212023111. The reversal of 123212023101 is 101320212321.

123212023101 is a `hidden beast` number, since 1 + 232 + 120 + 2 + 310 + 1 = 666.

It is not a de Polignac number, because 123212023101 - 2⁵ = 123212023069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123212023111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9957591 + ... + 9969956.

It is an arithmetic number, because the mean of its divisors is an integer number (11458340100).

Almost surely, 2^123212023101 is an apocalyptic number.

It is an amenable number.

123212023101 is a deficient number, since it is larger than the sum of its proper divisors (60121418499).

123212023101 is a wasteful number, since it uses less digits than its factorization.

123212023101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19927785 (or 19927779 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123212023101 its reverse (101320212321), we get a palindrome (224532235422).

The spelling of 123212023101 in words is "one hundred twenty-three billion, two hundred twelve million, twenty-three thousand, one hundred one".