123230133030 has 32 divisors (see below), whose sum is σ = 296685314784. Its totient is φ = 32757702656.

The previous prime is 123230133023. The next prime is 123230133031. The reversal of 123230133030 is 30331032321.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123230132988 and 123230133006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123230133031) 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, 6469467 + ... + 6488486.

It is an arithmetic number, because the mean of its divisors is an integer number (9271416087).

Almost surely, 2^123230133030 is an apocalyptic number.

123230133030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123230133030 is an abundant number, since it is smaller than the sum of its proper divisors (173455181754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123230133030 is a wasteful number, since it uses less digits than its factorization.

123230133030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12958280.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 123230133030 its reverse (30331032321), we get a palindrome (153561165351).

The spelling of 123230133030 in words is "one hundred twenty-three billion, two hundred thirty million, one hundred thirty-three thousand, thirty".