223234020403 has 4 divisors (see below), whose sum is σ = 224355799600. Its totient is φ = 222112241208.

The previous prime is 223234020391. The next prime is 223234020407. The reversal of 223234020403 is 304020432322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304020432322 = 2 ⋅152010216161.

It is a cyclic number.

It is not a de Polignac number, because 223234020403 - 2¹⁷ = 223233889331 is a prime.

It is a super-3 number, since 3×223234020403³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223234020407) 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, 560889300 + ... + 560889697.

It is an arithmetic number, because the mean of its divisors is an integer number (56088949900).

Almost surely, 2^223234020403 is an apocalyptic number.

223234020403 is a deficient number, since it is larger than the sum of its proper divisors (1121779197).

223234020403 is a wasteful number, since it uses less digits than its factorization.

223234020403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121779196.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 223234020403 its reverse (304020432322), we get a palindrome (527254452725).

The spelling of 223234020403 in words is "two hundred twenty-three billion, two hundred thirty-four million, twenty thousand, four hundred three".