123231242130 has 16 divisors (see below), whose sum is σ = 295754981184. Its totient is φ = 32861664560.

The previous prime is 123231242119. The next prime is 123231242143. The reversal of 123231242130 is 31242132321.

It is a self number, because there is not a number n which added to its sum of digits gives 123231242130.

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, 2053854006 + ... + 2053854065.

It is an arithmetic number, because the mean of its divisors is an integer number (18484686324).

Almost surely, 2^123231242130 is an apocalyptic number.

123231242130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123231242130 is an abundant number, since it is smaller than the sum of its proper divisors (172523739054).

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

123231242130 is a wasteful number, since it uses less digits than its factorization.

123231242130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107708081.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123231242130 its reverse (31242132321), we get a palindrome (154473374451).

The spelling of 123231242130 in words is "one hundred twenty-three billion, two hundred thirty-one million, two hundred forty-two thousand, one hundred thirty".