123011122102030 has 64 divisors (see below), whose sum is σ = 231156297313920. Its totient is φ = 47042862096384.

The previous prime is 123011122101941. The next prime is 123011122102081. The reversal of 123011122102030 is 30201221110321.

It is a junction number, because it is equal to n+sod(n) for n = 123011122101989 and 123011122102007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4909239262 + ... + 4909264318.

It is an arithmetic number, because the mean of its divisors is an integer number (3611817145530).

Almost surely, 2^{123011122102030} is an apocalyptic number.

123011122102030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123011122102030 is a deficient number, since it is larger than the sum of its proper divisors (108145175211890).

123011122102030 is a wasteful number, since it uses less digits than its factorization.

123011122102030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34333.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123011122102030 its reverse (30201221110321), we get a palindrome (153212343212351).

The spelling of 123011122102030 in words is "one hundred twenty-three trillion, eleven billion, one hundred twenty-two million, one hundred two thousand, thirty".