123235112001 has 16 divisors (see below), whose sum is σ = 164868715520. Its totient is φ = 81879517440.

The previous prime is 123235111963. The next prime is 123235112003. The reversal of 123235112001 is 100211532321.

It is not a de Polignac number, because 123235112001 - 2⁷ = 123235111873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123235112003) 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, 1226016 + ... + 1322718.

It is an arithmetic number, because the mean of its divisors is an integer number (10304294720).

Almost surely, 2^123235112001 is an apocalyptic number.

It is an amenable number.

123235112001 is a deficient number, since it is larger than the sum of its proper divisors (41633603519).

123235112001 is a wasteful number, since it uses less digits than its factorization.

123235112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98136.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 123235112001 its reverse (100211532321), we get a palindrome (223446644322).

The spelling of 123235112001 in words is "one hundred twenty-three billion, two hundred thirty-five million, one hundred twelve thousand, one".