140233523 has 2 divisors, whose sum is σ = 140233524. Its totient is φ = 140233522.

The previous prime is 140233519. The next prime is 140233529. The reversal of 140233523 is 325332041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140233523 - 2² = 140233519 is a prime.

It is not a weakly prime, because it can be changed into another prime (140233529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70116761 + 70116762.

It is an arithmetic number, because the mean of its divisors is an integer number (70116762).

Almost surely, 2^140233523 is an apocalyptic number.

140233523 is a deficient number, since it is larger than the sum of its proper divisors (1).

140233523 is an equidigital number, since it uses as much as digits as its factorization.

140233523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 140233523 is about 11842.0236024085. The cubic root of 140233523 is about 519.5379561919.

Adding to 140233523 its reverse (325332041), we get a palindrome (465565564).

The spelling of 140233523 in words is "one hundred forty million, two hundred thirty-three thousand, five hundred twenty-three".