140115221423 has 8 divisors (see below), whose sum is σ = 143718732960. Its totient is φ = 136553856480.

The previous prime is 140115221417. The next prime is 140115221429. The reversal of 140115221423 is 324122511041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140115221417) and next prime (140115221429).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140115221423 - 2¹² = 140115217327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140115221392 and 140115221401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140115221429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10529915 + ... + 10543212.

It is an arithmetic number, because the mean of its divisors is an integer number (17964841620).

Almost surely, 2^140115221423 is an apocalyptic number.

140115221423 is a deficient number, since it is larger than the sum of its proper divisors (3603511537).

140115221423 is a wasteful number, since it uses less digits than its factorization.

140115221423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21073297.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 140115221423 its reverse (324122511041), we get a palindrome (464237732464).

The spelling of 140115221423 in words is "one hundred forty billion, one hundred fifteen million, two hundred twenty-one thousand, four hundred twenty-three".