4223123210437 has 4 divisors (see below), whose sum is σ = 4223128203180. Its totient is φ = 4223118217696.

The previous prime is 4223123210353. The next prime is 4223123210489. The reversal of 4223123210437 is 7340123213224.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2711996350596 + 1511126859841 = 1646814^2 + 1229279^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223123210437 - 2⁷ = 4223123210309 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 (4223123210837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877768 + ... + 3035905.

It is an arithmetic number, because the mean of its divisors is an integer number (1055782050795).

Almost surely, 2^{4223123210437} is an apocalyptic number.

It is an amenable number.

4223123210437 is a deficient number, since it is larger than the sum of its proper divisors (4992743).

4223123210437 is a wasteful number, since it uses less digits than its factorization.

4223123210437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992742.

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 4223123210437 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-three million, two hundred ten thousand, four hundred thirty-seven".