123140400230 has 16 divisors (see below), whose sum is σ = 222181732080. Its totient is φ = 49138601952.

The previous prime is 123140400223. The next prime is 123140400283. The reversal of 123140400230 is 32004041321.

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, 14690369 + ... + 14698748.

It is an arithmetic number, because the mean of its divisors is an integer number (13886358255).

Almost surely, 2^123140400230 is an apocalyptic number.

123140400230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123140400230 is a deficient number, since it is larger than the sum of its proper divisors (99041331850).

123140400230 is a wasteful number, since it uses less digits than its factorization.

123140400230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29389543.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 123140400230 its reverse (32004041321), we get a palindrome (155144441551).

The spelling of 123140400230 in words is "one hundred twenty-three billion, one hundred forty million, four hundred thousand, two hundred thirty".