2123244350544 has 40 divisors (see below), whose sum is σ = 5546677668480. Its totient is φ = 699795889408.

The previous prime is 2123244350443. The next prime is 2123244350561. The reversal of 2123244350544 is 4450534423212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248502792 + ... + 248511335.

It is an arithmetic number, because the mean of its divisors is an integer number (138666941712).

Almost surely, 2^{2123244350544} is an apocalyptic number.

2123244350544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2123244350544 is an abundant number, since it is smaller than the sum of its proper divisors (3423433317936).

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

2123244350544 is a wasteful number, since it uses less digits than its factorization.

2123244350544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497014227 (or 497014221 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 2123244350544 its reverse (4450534423212), we get a palindrome (6573778773756).

The spelling of 2123244350544 in words is "two trillion, one hundred twenty-three billion, two hundred forty-four million, three hundred fifty thousand, five hundred forty-four".