140303400323123 has 4 divisors (see below), whose sum is σ = 140398135908888. Its totient is φ = 140208664737360.

The previous prime is 140303400323083. The next prime is 140303400323131. The reversal of 140303400323123 is 321323004303041.

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 140303400323123 - 2⁸ = 140303400322867 is a prime.

It is a super-2 number, since 2×140303400323123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140303400326123) 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, 47367790661 + ... + 47367793622.

It is an arithmetic number, because the mean of its divisors is an integer number (35099533977222).

Almost surely, 2^{140303400323123} is an apocalyptic number.

140303400323123 is a deficient number, since it is larger than the sum of its proper divisors (94735585765).

140303400323123 is an equidigital number, since it uses as much as digits as its factorization.

140303400323123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94735585764.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 140303400323123 its reverse (321323004303041), we get a palindrome (461626404626164).

The spelling of 140303400323123 in words is "one hundred forty trillion, three hundred three billion, four hundred million, three hundred twenty-three thousand, one hundred twenty-three".