140123123342305 has 16 divisors (see below), whose sum is σ = 176141237675904. Its totient is φ = 106807434342400.

The previous prime is 140123123342273. The next prime is 140123123342341. The reversal of 140123123342305 is 503243321321041.

It is not a de Polignac number, because 140123123342305 - 2⁵ = 140123123342273 is a prime.

It is a Duffinian 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, 2370518971 + ... + 2370578080.

It is an arithmetic number, because the mean of its divisors is an integer number (11008827354744).

Almost surely, 2^{140123123342305} is an apocalyptic number.

It is an amenable number.

140123123342305 is a deficient number, since it is larger than the sum of its proper divisors (36018114333599).

140123123342305 is a wasteful number, since it uses less digits than its factorization.

140123123342305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741097336.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 140123123342305 its reverse (503243321321041), we get a palindrome (643366444663346).

The spelling of 140123123342305 in words is "one hundred forty trillion, one hundred twenty-three billion, one hundred twenty-three million, three hundred forty-two thousand, three hundred five".