123430324012 has 12 divisors (see below), whose sum is σ = 216007487136. Its totient is φ = 61713899120.

The previous prime is 123430324009. The next prime is 123430324027. The reversal of 123430324012 is 210423034321.

It is a super-2 number, since 2×123430324012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75508 + ... + 502555.

It is an arithmetic number, because the mean of its divisors is an integer number (18000623928).

Almost surely, 2^123430324012 is an apocalyptic number.

It is an amenable number.

123430324012 is a deficient number, since it is larger than the sum of its proper divisors (92577163124).

123430324012 is a wasteful number, since it uses less digits than its factorization.

123430324012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631448 (or 631446 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 123430324012 its reverse (210423034321), we get a palindrome (333853358333).

The spelling of 123430324012 in words is "one hundred twenty-three billion, four hundred thirty million, three hundred twenty-four thousand, twelve".