123543231006 has 32 divisors (see below), whose sum is σ = 275268742560. Its totient is φ = 36702497664.

The previous prime is 123543230963. The next prime is 123543231013. The reversal of 123543231006 is 600132345321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27306145 + ... + 27310668.

It is an arithmetic number, because the mean of its divisors is an integer number (8602148205).

Almost surely, 2^123543231006 is an apocalyptic number.

123543231006 is an abundant number, since it is smaller than the sum of its proper divisors (151725511554).

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

123543231006 is a wasteful number, since it uses less digits than its factorization.

123543231006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54616860.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 123543231006 its reverse (600132345321), we get a palindrome (723675576327).

The spelling of 123543231006 in words is "one hundred twenty-three billion, five hundred forty-three million, two hundred thirty-one thousand, six".