140321023153 has 4 divisors (see below), whose sum is σ = 140654327668. Its totient is φ = 139987718640.

The previous prime is 140321023147. The next prime is 140321023163. The reversal of 140321023153 is 351320123041.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16939543104 + 123381480049 = 130152^2 + 351257^2 .

It is a cyclic number.

It is not a de Polignac number, because 140321023153 - 2²¹ = 140318926001 is a prime.

It is a super-2 number, since 2×140321023153² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140321023163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166651626 + ... + 166652467.

It is an arithmetic number, because the mean of its divisors is an integer number (35163581917).

Almost surely, 2^140321023153 is an apocalyptic number.

It is an amenable number.

140321023153 is a deficient number, since it is larger than the sum of its proper divisors (333304515).

140321023153 is an equidigital number, since it uses as much as digits as its factorization.

140321023153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333304514.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 140321023153 its reverse (351320123041), we get a palindrome (491641146194).

The spelling of 140321023153 in words is "one hundred forty billion, three hundred twenty-one million, twenty-three thousand, one hundred fifty-three".