123334140040 has 32 divisors (see below), whose sum is σ = 277624428480. Its totient is φ = 49311858112.

The previous prime is 123334140029. The next prime is 123334140199. The reversal of 123334140040 is 40041433321.

It is a super-2 number, since 2×123334140040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123334139987 and 123334140014.

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, 589372 + ... + 770731.

It is an arithmetic number, because the mean of its divisors is an integer number (8675763390).

Almost surely, 2^123334140040 is an apocalyptic number.

123334140040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123334140040 is an abundant number, since it is smaller than the sum of its proper divisors (154290288440).

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

123334140040 is a wasteful number, since it uses less digits than its factorization.

123334140040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362381 (or 1362377 counting only the distinct ones).

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

Adding to 123334140040 its reverse (40041433321), we get a palindrome (163375573361).

The spelling of 123334140040 in words is "one hundred twenty-three billion, three hundred thirty-four million, one hundred forty thousand, forty".