228402433016423 has 4 divisors (see below), whose sum is σ = 228972015144048. Its totient is φ = 227832850888800.

The previous prime is 228402433016419. The next prime is 228402433016441. The reversal of 228402433016423 is 324610334204822.

It is a happy number.

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 228402433016423 - 2² = 228402433016419 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 (228402433016123) 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, 284791063211 + ... + 284791064012.

It is an arithmetic number, because the mean of its divisors is an integer number (57243003786012).

Almost surely, 2^{228402433016423} is an apocalyptic number.

228402433016423 is a deficient number, since it is larger than the sum of its proper divisors (569582127625).

228402433016423 is an equidigital number, since it uses as much as digits as its factorization.

228402433016423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569582127624.

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 228402433016423 in words is "two hundred twenty-eight trillion, four hundred two billion, four hundred thirty-three million, sixteen thousand, four hundred twenty-three".