2123443577 has 8 divisors (see below), whose sum is σ = 2140992000. Its totient is φ = 2105953024.

The previous prime is 2123443561. The next prime is 2123443601. The reversal of 2123443577 is 7753443212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2123443577 - 2⁴ = 2123443561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123443577.

It is not an unprimeable number, because it can be changed into a prime (2123443507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60824 + ... + 89142.

It is an arithmetic number, because the mean of its divisors is an integer number (267624000).

Almost surely, 2^2123443577 is an apocalyptic number.

It is an amenable number.

2123443577 is a deficient number, since it is larger than the sum of its proper divisors (17548423).

2123443577 is a wasteful number, since it uses less digits than its factorization.

2123443577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28935.

The product of its digits is 141120, while the sum is 38.

The square root of 2123443577 is about 46080.8374164359. The cubic root of 2123443577 is about 1285.3268361705.

Adding to 2123443577 its reverse (7753443212), we get a palindrome (9876886789).

The spelling of 2123443577 in words is "two billion, one hundred twenty-three million, four hundred forty-three thousand, five hundred seventy-seven".