123110203130 has 16 divisors (see below), whose sum is σ = 221668086024. Its totient is φ = 49228587840.

The previous prime is 123110203129. The next prime is 123110203157. The reversal of 123110203130 is 31302011321.

It can be written as a sum of positive squares in 4 ways, for example, as 46652976049 + 76457227081 = 215993^2 + 276509^2 .

It is a super-2 number, since 2×123110203130² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123110203099 and 123110203108.

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, 1903277 + ... + 1966896.

Almost surely, 2^123110203130 is an apocalyptic number.

123110203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123110203130 is a deficient number, since it is larger than the sum of its proper divisors (98557882894).

123110203130 is a wasteful number, since it uses less digits than its factorization.

123110203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873361.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123110203130 its reverse (31302011321), we get a palindrome (154412214451).

The spelling of 123110203130 in words is "one hundred twenty-three billion, one hundred ten million, two hundred three thousand, one hundred thirty".