140523206103155 has 4 divisors (see below), whose sum is σ = 168627847323792. Its totient is φ = 112418564882520.

The previous prime is 140523206103043. The next prime is 140523206103167. The reversal of 140523206103155 is 551301602325041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140523206103155 - 2²⁰ = 140523205054579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14052320610311 + ... + 14052320610320.

It is an arithmetic number, because the mean of its divisors is an integer number (42156961830948).

Almost surely, 2^{140523206103155} is an apocalyptic number.

140523206103155 is a deficient number, since it is larger than the sum of its proper divisors (28104641220637).

140523206103155 is an equidigital number, since it uses as much as digits as its factorization.

140523206103155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28104641220636.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 140523206103155 its reverse (551301602325041), we get a palindrome (691824808428196).

The spelling of 140523206103155 in words is "one hundred forty trillion, five hundred twenty-three billion, two hundred six million, one hundred three thousand, one hundred fifty-five".