4023121220324 has 12 divisors (see below), whose sum is σ = 7048490034684. Its totient is φ = 2009266924704.

The previous prime is 4023121220323. The next prime is 4023121220329. The reversal of 4023121220324 is 4230221213204.

It can be written as a sum of positive squares in 2 ways, for example, as 1827146958400 + 2195974261924 = 1351720^2 + 1481882^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4023121220293 and 4023121220302.

It is not an unprimeable number, because it can be changed into a prime (4023121220323) 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, 573417419 + ... + 573424434.

It is an arithmetic number, because the mean of its divisors is an integer number (587374169557).

Almost surely, 2^{4023121220324} is an apocalyptic number.

It is an amenable number.

4023121220324 is a deficient number, since it is larger than the sum of its proper divisors (3025368814360).

4023121220324 is a wasteful number, since it uses less digits than its factorization.

4023121220324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146842734 (or 1146842732 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 4023121220324 its reverse (4230221213204), we get a palindrome (8253342433528).

The spelling of 4023121220324 in words is "four trillion, twenty-three billion, one hundred twenty-one million, two hundred twenty thousand, three hundred twenty-four".