2123270744 has 24 divisors (see below), whose sum is σ = 4631114340. Its totient is φ = 909973008.

The previous prime is 2123270689. The next prime is 2123270749. The reversal of 2123270744 is 4470723212.

It is a self number, because there is not a number n which added to its sum of digits gives 2123270744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123270749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2707862 + ... + 2708645.

Almost surely, 2^2123270744 is an apocalyptic number.

It is an amenable number.

2123270744 is an abundant number, since it is smaller than the sum of its proper divisors (2507843596).

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

2123270744 is a wasteful number, since it uses less digits than its factorization.

2123270744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416527 (or 5416516 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 2123270744 is about 46078.9620542824. The cubic root of 2123270744 is about 1285.2919631113.

Adding to 2123270744 its reverse (4470723212), we get a palindrome (6593993956).

The spelling of 2123270744 in words is "two billion, one hundred twenty-three million, two hundred seventy thousand, seven hundred forty-four".