4023352324021 has 2 divisors, whose sum is σ = 4023352324022. Its totient is φ = 4023352324020.

The previous prime is 4023352324007. The next prime is 4023352324087. The reversal of 4023352324021 is 1204232533204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3490582256100 + 532770067921 = 1868310^2 + 729911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4023352324021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4023352324001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011676162010 + 2011676162011.

It is an arithmetic number, because the mean of its divisors is an integer number (2011676162011).

Almost surely, 2^{4023352324021} is an apocalyptic number.

It is an amenable number.

4023352324021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4023352324021 is an equidigital number, since it uses as much as digits as its factorization.

4023352324021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 4023352324021 its reverse (1204232533204), we get a palindrome (5227584857225).

The spelling of 4023352324021 in words is "four trillion, twenty-three billion, three hundred fifty-two million, three hundred twenty-four thousand, twenty-one".