223140403 has 4 divisors (see below), whose sum is σ = 223293568. Its totient is φ = 222987240.

The previous prime is 223140391. The next prime is 223140431. The reversal of 223140403 is 304041322.

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

It is a cyclic number.

It is not a de Polignac number, because 223140403 - 2⁵ = 223140371 is a prime.

It is a super-3 number, since 3×223140403³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223140473) 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, 74376 + ... + 77317.

It is an arithmetic number, because the mean of its divisors is an integer number (55823392).

Almost surely, 2^223140403 is an apocalyptic number.

223140403 is a deficient number, since it is larger than the sum of its proper divisors (153165).

223140403 is a wasteful number, since it uses less digits than its factorization.

223140403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153164.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 223140403 is about 14937.8848234949. The cubic root of 223140403 is about 606.5399405564.

Adding to 223140403 its reverse (304041322), we get a palindrome (527181725).

The spelling of 223140403 in words is "two hundred twenty-three million, one hundred forty thousand, four hundred three".