4021123433244 has 24 divisors (see below), whose sum is σ = 9397258837008. Its totient is φ = 1338283407360.

The previous prime is 4021123433209. The next prime is 4021123433279. The reversal of 4021123433244 is 4423343211204.

It is an interprime number because it is at equal distance from previous prime (4021123433209) and next prime (4021123433279).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 261375787 + ... + 261391170.

It is an arithmetic number, because the mean of its divisors is an integer number (391552451542).

Almost surely, 2^{4021123433244} is an apocalyptic number.

It is an amenable number.

4021123433244 is an abundant number, since it is smaller than the sum of its proper divisors (5376135403764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021123433244 is a wasteful number, since it uses less digits than its factorization.

4021123433244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522767605 (or 522767603 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 4021123433244 its reverse (4423343211204), we get a palindrome (8444466644448).

The spelling of 4021123433244 in words is "four trillion, twenty-one billion, one hundred twenty-three million, four hundred thirty-three thousand, two hundred forty-four".