140123533235105 has 32 divisors (see below), whose sum is σ = 193874102311680. Its totient is φ = 95234554183680.

The previous prime is 140123533234987. The next prime is 140123533235143. The reversal of 140123533235105 is 501532335321041.

It is not a de Polignac number, because 140123533235105 - 2²² = 140123529040801 is a prime.

It is a super-2 number, since 2×140123533235105² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19721135 + ... + 25868324.

It is an arithmetic number, because the mean of its divisors is an integer number (6058565697240).

Almost surely, 2^{140123533235105} is an apocalyptic number.

It is an amenable number.

140123533235105 is a deficient number, since it is larger than the sum of its proper divisors (53750569076575).

140123533235105 is a wasteful number, since it uses less digits than its factorization.

140123533235105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45590249.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 140123533235105 its reverse (501532335321041), we get a palindrome (641655868556146).

The spelling of 140123533235105 in words is "one hundred forty trillion, one hundred twenty-three billion, five hundred thirty-three million, two hundred thirty-five thousand, one hundred five".