123141210040 has 32 divisors (see below), whose sum is σ = 280970091360. Its totient is φ = 48562729600.

The previous prime is 123141209999. The next prime is 123141210089. The reversal of 123141210040 is 40012141321.

It is a super-2 number, since 2×123141210040² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21676951 + ... + 21682630.

It is an arithmetic number, because the mean of its divisors is an integer number (8780315355).

Almost surely, 2^123141210040 is an apocalyptic number.

123141210040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123141210040 is an abundant number, since it is smaller than the sum of its proper divisors (157828881320).

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

123141210040 is a wasteful number, since it uses less digits than its factorization.

123141210040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43359663 (or 43359659 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 123141210040 its reverse (40012141321), we get a palindrome (163153351361).

The spelling of 123141210040 in words is "one hundred twenty-three billion, one hundred forty-one million, two hundred ten thousand, forty".