140328423 has 24 divisors (see below), whose sum is σ = 210178800. Its totient is φ = 92533968.

The previous prime is 140328371. The next prime is 140328427. The reversal of 140328423 is 324823041.

It is not a de Polignac number, because 140328423 - 2¹⁰ = 140327399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140328427) 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 in 23 ways as a sum of consecutive naturals, for example, 521533 + ... + 521801.

It is an arithmetic number, because the mean of its divisors is an integer number (8757450).

Almost surely, 2^140328423 is an apocalyptic number.

140328423 is a deficient number, since it is larger than the sum of its proper divisors (69850377).

140328423 is an equidigital number, since it uses as much as digits as its factorization.

140328423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 140328423 is about 11846.0298412591. The cubic root of 140328423 is about 519.6551251192.

The spelling of 140328423 in words is "one hundred forty million, three hundred twenty-eight thousand, four hundred twenty-three".