123312323140 has 48 divisors (see below), whose sum is σ = 261074923200. Its totient is φ = 48922727552.

The previous prime is 123312323137. The next prime is 123312323143. The reversal of 123312323140 is 41323213321.

It is an interprime number because it is at equal distance from previous prime (123312323137) and next prime (123312323143).

It is not an unprimeable number, because it can be changed into a prime (123312323143) 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, 1348347 + ... + 1436893.

It is an arithmetic number, because the mean of its divisors is an integer number (5439060900).

Almost surely, 2^123312323140 is an apocalyptic number.

123312323140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123312323140 is an abundant number, since it is smaller than the sum of its proper divisors (137762600060).

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

123312323140 is a wasteful number, since it uses less digits than its factorization.

123312323140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89124 (or 89122 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 123312323140 its reverse (41323213321), we get a palindrome (164635536461).

The spelling of 123312323140 in words is "one hundred twenty-three billion, three hundred twelve million, three hundred twenty-three thousand, one hundred forty".