140223103 has 4 divisors (see below), whose sum is σ = 141668800. Its totient is φ = 138777408.

The previous prime is 140223101. The next prime is 140223131. The reversal of 140223103 is 301322041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301322041 = 11971 ⋅25171.

It is a cyclic number.

It is not a de Polignac number, because 140223103 - 2¹ = 140223101 is a prime.

It is a super-2 number, since 2×140223103² = 39325037229897218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140223101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722703 + ... + 722896.

It is an arithmetic number, because the mean of its divisors is an integer number (35417200).

Almost surely, 2^140223103 is an apocalyptic number.

140223103 is a deficient number, since it is larger than the sum of its proper divisors (1445697).

140223103 is an equidigital number, since it uses as much as digits as its factorization.

140223103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445696.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140223103 is about 11841.5836356460. The cubic root of 140223103 is about 519.5250878480.

Adding to 140223103 its reverse (301322041), we get a palindrome (441545144).

The spelling of 140223103 in words is "one hundred forty million, two hundred twenty-three thousand, one hundred three".