228783429503 has 4 divisors (see below), whose sum is σ = 228786072408. Its totient is φ = 228780786600.

The previous prime is 228783429461. The next prime is 228783429547. The reversal of 228783429503 is 305924387822.

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: 305924387822 = 2 ⋅152962193911.

It is a cyclic number.

It is not a de Polignac number, because 228783429503 - 2²⁰ = 228782380927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228786429503) 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, 1187048 + ... + 1366253.

It is an arithmetic number, because the mean of its divisors is an integer number (57196518102).

Almost surely, 2^228783429503 is an apocalyptic number.

228783429503 is a deficient number, since it is larger than the sum of its proper divisors (2642905).

228783429503 is an equidigital number, since it uses as much as digits as its factorization.

228783429503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642904.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 228783429503 in words is "two hundred twenty-eight billion, seven hundred eighty-three million, four hundred twenty-nine thousand, five hundred three".