140023033 has 4 divisors (see below), whose sum is σ = 148259700. Its totient is φ = 131786368.

The previous prime is 140022977. The next prime is 140023043. The reversal of 140023033 is 330320041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48399849 + 91623184 = 6957^2 + 9572^2 .

It is a cyclic number.

It is not a de Polignac number, because 140023033 - 2⁹ = 140022521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140022998 and 140023016.

It is not an unprimeable number, because it can be changed into a prime (140023043) 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 3 ways as a sum of consecutive naturals, for example, 4118308 + ... + 4118341.

It is an arithmetic number, because the mean of its divisors is an integer number (37064925).

Almost surely, 2^140023033 is an apocalyptic number.

It is an amenable number.

140023033 is a deficient number, since it is larger than the sum of its proper divisors (8236667).

140023033 is an equidigital number, since it uses as much as digits as its factorization.

140023033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236666.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 140023033 is about 11833.1328480669. The cubic root of 140023033 is about 519.2778845085.

Adding to 140023033 its reverse (330320041), we get a palindrome (470343074).

The spelling of 140023033 in words is "one hundred forty million, twenty-three thousand, thirty-three".