123011330030 has 16 divisors (see below), whose sum is σ = 234445123440. Its totient is φ = 46310147712.

The previous prime is 123011330003. The next prime is 123011330059. The reversal of 123011330030 is 30033110321.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123011329990 and 123011330008.

It is a congruent number.

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, 361797860 + ... + 361798199.

It is an arithmetic number, because the mean of its divisors is an integer number (14652820215).

Almost surely, 2^123011330030 is an apocalyptic number.

123011330030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123011330030 is a deficient number, since it is larger than the sum of its proper divisors (111433793410).

123011330030 is a wasteful number, since it uses less digits than its factorization.

123011330030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723596083.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 123011330030 its reverse (30033110321), we get a palindrome (153044440351).

The spelling of 123011330030 in words is "one hundred twenty-three billion, eleven million, three hundred thirty thousand, thirty".