123020122113 has 48 divisors (see below), whose sum is σ = 212145336000. Its totient is φ = 70251499584.

The previous prime is 123020122109. The next prime is 123020122117. The reversal of 123020122113 is 311221020321.

123020122113 is a `hidden beast` number, since 1 + 230 + 201 + 221 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (123020122109) and next prime (123020122117).

It is not a de Polignac number, because 123020122113 - 2² = 123020122109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123020122117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2059573 + ... + 2118461.

It is an arithmetic number, because the mean of its divisors is an integer number (4419694500).

Almost surely, 2^123020122113 is an apocalyptic number.

It is an amenable number.

123020122113 is a deficient number, since it is larger than the sum of its proper divisors (89125213887).

123020122113 is a wasteful number, since it uses less digits than its factorization.

123020122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60491 (or 60478 counting only the distinct ones).

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

Adding to 123020122113 its reverse (311221020321), we get a palindrome (434241142434).

The spelling of 123020122113 in words is "one hundred twenty-three billion, twenty million, one hundred twenty-two thousand, one hundred thirteen".