140860823 has 2 divisors, whose sum is σ = 140860824. Its totient is φ = 140860822.

The previous prime is 140860799. The next prime is 140860829. The reversal of 140860823 is 328068041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140860823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140860823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140860829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70430411 + 70430412.

It is an arithmetic number, because the mean of its divisors is an integer number (70430412).

Almost surely, 2^140860823 is an apocalyptic number.

140860823 is a deficient number, since it is larger than the sum of its proper divisors (1).

140860823 is an equidigital number, since it uses as much as digits as its factorization.

140860823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 140860823 is about 11868.4802312680. The cubic root of 140860823 is about 520.3114788216.

The spelling of 140860823 in words is "one hundred forty million, eight hundred sixty thousand, eight hundred twenty-three".