140768723 has 2 divisors, whose sum is σ = 140768724. Its totient is φ = 140768722.

The previous prime is 140768699. The next prime is 140768729. The reversal of 140768723 is 327867041.

It is a strong prime.

It is an emirp because it is prime and its reverse (327867041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140768723 - 2¹² = 140764627 is a prime.

It is not a weakly prime, because it can be changed into another prime (140768729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70384361 + 70384362.

It is an arithmetic number, because the mean of its divisors is an integer number (70384362).

Almost surely, 2^140768723 is an apocalyptic number.

140768723 is a deficient number, since it is larger than the sum of its proper divisors (1).

140768723 is an equidigital number, since it uses as much as digits as its factorization.

140768723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 140768723 is about 11864.5995718355. The cubic root of 140768723 is about 520.1980544876.

The spelling of 140768723 in words is "one hundred forty million, seven hundred sixty-eight thousand, seven hundred twenty-three".