140431023233 has 4 divisors (see below), whose sum is σ = 145273472340. Its totient is φ = 135588574128.

The previous prime is 140431023223. The next prime is 140431023241. The reversal of 140431023233 is 332320134041.

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 88094395249 + 52336627984 = 296807^2 + 228772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140431023233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140431023223) 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, 2421224510 + ... + 2421224567.

It is an arithmetic number, because the mean of its divisors is an integer number (36318368085).

Almost surely, 2^140431023233 is an apocalyptic number.

It is an amenable number.

140431023233 is a deficient number, since it is larger than the sum of its proper divisors (4842449107).

140431023233 is an equidigital number, since it uses as much as digits as its factorization.

140431023233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842449106.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 140431023233 its reverse (332320134041), we get a palindrome (472751157274).

The spelling of 140431023233 in words is "one hundred forty billion, four hundred thirty-one million, twenty-three thousand, two hundred thirty-three".