140323001 has 16 divisors (see below), whose sum is σ = 173491584. Its totient is φ = 110519424.

The previous prime is 140322953. The next prime is 140323021. The reversal of 140323001 is 100323041.

It is a cyclic number.

It is not a de Polignac number, because 140323001 - 2¹⁸ = 140060857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140323021) 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 in 15 ways as a sum of consecutive naturals, for example, 17261 + ... + 24053.

It is an arithmetic number, because the mean of its divisors is an integer number (10843224).

Almost surely, 2^140323001 is an apocalyptic number.

It is an amenable number.

140323001 is a deficient number, since it is larger than the sum of its proper divisors (33168583).

140323001 is a wasteful number, since it uses less digits than its factorization.

140323001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 140323001 is about 11845.8009860034. The cubic root of 140323001 is about 519.6484322333.

Adding to 140323001 its reverse (100323041), we get a palindrome (240646042).

The spelling of 140323001 in words is "one hundred forty million, three hundred twenty-three thousand, one".