140654023 has 2 divisors, whose sum is σ = 140654024. Its totient is φ = 140654022.

The previous prime is 140654011. The next prime is 140654071. The reversal of 140654023 is 320456041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140654023 - 2⁹ = 140653511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140654123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70327011 + 70327012.

It is an arithmetic number, because the mean of its divisors is an integer number (70327012).

Almost surely, 2^140654023 is an apocalyptic number.

140654023 is a deficient number, since it is larger than the sum of its proper divisors (1).

140654023 is an equidigital number, since it uses as much as digits as its factorization.

140654023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 140654023 is about 11859.7648796256. The cubic root of 140654023 is about 520.0567282786.

The spelling of 140654023 in words is "one hundred forty million, six hundred fifty-four thousand, twenty-three".