140475523 has 2 divisors, whose sum is σ = 140475524. Its totient is φ = 140475522.

The previous prime is 140475479. The next prime is 140475529. The reversal of 140475523 is 325574041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140475523 is a prime.

It is not a weakly prime, because it can be changed into another prime (140475529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70237761 + 70237762.

It is an arithmetic number, because the mean of its divisors is an integer number (70237762).

Almost surely, 2^140475523 is an apocalyptic number.

140475523 is a deficient number, since it is larger than the sum of its proper divisors (1).

140475523 is an equidigital number, since it uses as much as digits as its factorization.

140475523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 140475523 is about 11852.2370462289. The cubic root of 140475523 is about 519.8366387732.

The spelling of 140475523 in words is "one hundred forty million, four hundred seventy-five thousand, five hundred twenty-three".