4023223342421 has 16 divisors (see below), whose sum is σ = 4269586286448. Its totient is φ = 3777948134400.

The previous prime is 4023223342393. The next prime is 4023223342441. The reversal of 4023223342421 is 1242433223204.

It can be written as a sum of positive squares in 8 ways, for example, as 195683254321 + 3827540088100 = 442361^2 + 1956410^2 .

It is not a de Polignac number, because 4023223342421 - 2¹⁴ = 4023223326037 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 (4023223342441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13267031 + ... + 13566891.

It is an arithmetic number, because the mean of its divisors is an integer number (266849142903).

Almost surely, 2^{4023223342421} is an apocalyptic number.

It is an amenable number.

4023223342421 is a deficient number, since it is larger than the sum of its proper divisors (246362944027).

4023223342421 is a wasteful number, since it uses less digits than its factorization.

4023223342421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301672.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 4023223342421 its reverse (1242433223204), we get a palindrome (5265656565625).

The spelling of 4023223342421 in words is "four trillion, twenty-three billion, two hundred twenty-three million, three hundred forty-two thousand, four hundred twenty-one".