140242124623 has 4 divisors (see below), whose sum is σ = 140329287280. Its totient is φ = 140154961968.

The previous prime is 140242124611. The next prime is 140242124639. The reversal of 140242124623 is 326421242041.

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

It is a cyclic number.

It is not a de Polignac number, because 140242124623 - 2¹³ = 140242116431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140242122623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43578915 + ... + 43582132.

It is an arithmetic number, because the mean of its divisors is an integer number (35082321820).

Almost surely, 2^140242124623 is an apocalyptic number.

140242124623 is a deficient number, since it is larger than the sum of its proper divisors (87162657).

140242124623 is an equidigital number, since it uses as much as digits as its factorization.

140242124623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87162656.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 140242124623 its reverse (326421242041), we get a palindrome (466663366664).

The spelling of 140242124623 in words is "one hundred forty billion, two hundred forty-two million, one hundred twenty-four thousand, six hundred twenty-three".