123430302132 has 12 divisors (see below), whose sum is σ = 288004038336. Its totient is φ = 41143434040.

The previous prime is 123430302113. The next prime is 123430302139. The reversal of 123430302132 is 231203034321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123430302139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5142929244 + ... + 5142929267.

It is an arithmetic number, because the mean of its divisors is an integer number (24000336528).

Almost surely, 2^123430302132 is an apocalyptic number.

123430302132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123430302132 is an abundant number, since it is smaller than the sum of its proper divisors (164573736204).

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

123430302132 is a wasteful number, since it uses less digits than its factorization.

123430302132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10285858518 (or 10285858516 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 123430302132 its reverse (231203034321), we get a palindrome (354633336453).

The spelling of 123430302132 in words is "one hundred twenty-three billion, four hundred thirty million, three hundred two thousand, one hundred thirty-two".