140243241240233 has 4 divisors (see below), whose sum is σ = 140243568859140. Its totient is φ = 140242913621328.

The previous prime is 140243241240229. The next prime is 140243241240281. The reversal of 140243241240233 is 332042142342041.

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 29603915138704 + 110639326101529 = 5440948^2 + 10518523^2 .

It is a cyclic number.

It is not a de Polignac number, because 140243241240233 - 2² = 140243241240229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140243241240193 and 140243241240202.

It is not an unprimeable number, because it can be changed into a prime (140243241240133) 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, 163166510 + ... + 164023767.

It is an arithmetic number, because the mean of its divisors is an integer number (35060892214785).

Almost surely, 2^{140243241240233} is an apocalyptic number.

It is an amenable number.

140243241240233 is a deficient number, since it is larger than the sum of its proper divisors (327618907).

140243241240233 is an equidigital number, since it uses as much as digits as its factorization.

140243241240233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327618906.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 140243241240233 its reverse (332042142342041), we get a palindrome (472285383582274).

The spelling of 140243241240233 in words is "one hundred forty trillion, two hundred forty-three billion, two hundred forty-one million, two hundred forty thousand, two hundred thirty-three".