140423401321 has 16 divisors (see below), whose sum is σ = 164186703360. Its totient is φ = 117594812160.

The previous prime is 140423401319. The next prime is 140423401361. The reversal of 140423401321 is 123104324041.

It is not a de Polignac number, because 140423401321 - 2¹ = 140423401319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140423401361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187860 + ... + 562261.

It is an arithmetic number, because the mean of its divisors is an integer number (10261668960).

Almost surely, 2^140423401321 is an apocalyptic number.

It is an amenable number.

140423401321 is a deficient number, since it is larger than the sum of its proper divisors (23763302039).

140423401321 is an equidigital number, since it uses as much as digits as its factorization.

140423401321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750744.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 140423401321 its reverse (123104324041), we get a palindrome (263527725362).

The spelling of 140423401321 in words is "one hundred forty billion, four hundred twenty-three million, four hundred one thousand, three hundred twenty-one".