140323430 has 32 divisors (see below), whose sum is σ = 272903904. Its totient is φ = 51641856.

The previous prime is 140323429. The next prime is 140323451. The reversal of 140323430 is 34323041.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 42209 + ... + 45411.

It is an arithmetic number, because the mean of its divisors is an integer number (8528247).

Almost surely, 2^140323430 is an apocalyptic number.

140323430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140323430 is a deficient number, since it is larger than the sum of its proper divisors (132580474).

140323430 is a wasteful number, since it uses less digits than its factorization.

140323430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 140323430 is about 11845.8190936718. The cubic root of 140323430 is about 519.6489617947.

Adding to 140323430 its reverse (34323041), we get a palindrome (174646471).

The spelling of 140323430 in words is "one hundred forty million, three hundred twenty-three thousand, four hundred thirty".