140042231100223 has 4 divisors (see below), whose sum is σ = 147412874842360. Its totient is φ = 132671587358088.

The previous prime is 140042231100173. The next prime is 140042231100229. The reversal of 140042231100223 is 322001132240041.

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 140042231100223 - 2²¹ = 140042229003071 is a prime.

It is a super-2 number, since 2×140042231100223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140042231100229) 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, 3685321871040 + ... + 3685321871077.

It is an arithmetic number, because the mean of its divisors is an integer number (36853218710590).

Almost surely, 2^{140042231100223} is an apocalyptic number.

140042231100223 is a deficient number, since it is larger than the sum of its proper divisors (7370643742137).

140042231100223 is an equidigital number, since it uses as much as digits as its factorization.

140042231100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370643742136.

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

Adding to 140042231100223 its reverse (322001132240041), we get a palindrome (462043363340264).

The spelling of 140042231100223 in words is "one hundred forty trillion, forty-two billion, two hundred thirty-one million, one hundred thousand, two hundred twenty-three".