3023420342521 has 4 divisors (see below), whose sum is σ = 3023887430772. Its totient is φ = 3022953254272.

The previous prime is 3023420342519. The next prime is 3023420342543. The reversal of 3023420342521 is 1252430243203.

3023420342521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1494151746025 + 1529268596496 = 1222355^2 + 1236636^2 .

It is a cyclic number.

It is not a de Polignac number, because 3023420342521 - 2¹ = 3023420342519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3023420342221) 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, 233534416 + ... + 233547361.

It is an arithmetic number, because the mean of its divisors is an integer number (755971857693).

Almost surely, 2^{3023420342521} is an apocalyptic number.

It is an amenable number.

3023420342521 is a deficient number, since it is larger than the sum of its proper divisors (467088251).

3023420342521 is an equidigital number, since it uses as much as digits as its factorization.

3023420342521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467088250.

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

Adding to 3023420342521 its reverse (1252430243203), we get a palindrome (4275850585724).

The spelling of 3023420342521 in words is "three trillion, twenty-three billion, four hundred twenty million, three hundred forty-two thousand, five hundred twenty-one".