140044623 has 16 divisors (see below), whose sum is σ = 199755360. Its totient is φ = 86962176.

The previous prime is 140044613. The next prime is 140044717. The reversal of 140044623 is 326440041.

140044623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140044623 - 2⁵ = 140044591 is a prime.

It is a super-2 number, since 2×140044623² = 39224992862424258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140044593 and 140044602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140044613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9208 + ... + 19101.

It is an arithmetic number, because the mean of its divisors is an integer number (12484710).

Almost surely, 2^140044623 is an apocalyptic number.

140044623 is a deficient number, since it is larger than the sum of its proper divisors (59710737).

140044623 is a wasteful number, since it uses less digits than its factorization.

140044623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28426.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 140044623 is about 11834.0450818813. The cubic root of 140044623 is about 519.3045721021.

Adding to 140044623 its reverse (326440041), we get a palindrome (466484664).

The spelling of 140044623 in words is "one hundred forty million, forty-four thousand, six hundred twenty-three".