140541823 has 2 divisors, whose sum is σ = 140541824. Its totient is φ = 140541822.

The previous prime is 140541787. The next prime is 140541827. The reversal of 140541823 is 328145041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140541823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140541791 and 140541800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140541827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70270911 + 70270912.

It is an arithmetic number, because the mean of its divisors is an integer number (70270912).

Almost surely, 2^140541823 is an apocalyptic number.

140541823 is a deficient number, since it is larger than the sum of its proper divisors (1).

140541823 is an equidigital number, since it uses as much as digits as its factorization.

140541823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 140541823 is about 11855.0336566372. The cubic root of 140541823 is about 519.9184080563.

Adding to 140541823 its reverse (328145041), we get a palindrome (468686864).

The spelling of 140541823 in words is "one hundred forty million, five hundred forty-one thousand, eight hundred twenty-three".