140340225423 has 4 divisors (see below), whose sum is σ = 187120300568. Its totient is φ = 93560150280.

The previous prime is 140340225349. The next prime is 140340225449. The reversal of 140340225423 is 324522043041.

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

It is not a de Polignac number, because 140340225423 - 2¹² = 140340221327 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 (140340225323) 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, 23390037568 + ... + 23390037573.

It is an arithmetic number, because the mean of its divisors is an integer number (46780075142).

Almost surely, 2^140340225423 is an apocalyptic number.

140340225423 is a deficient number, since it is larger than the sum of its proper divisors (46780075145).

140340225423 is an equidigital number, since it uses as much as digits as its factorization.

140340225423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46780075144.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 140340225423 its reverse (324522043041), we get a palindrome (464862268464).

The spelling of 140340225423 in words is "one hundred forty billion, three hundred forty million, two hundred twenty-five thousand, four hundred twenty-three".