2123726574 has 48 divisors (see below), whose sum is σ = 4454295552. Its totient is φ = 674975664.

The previous prime is 2123726573. The next prime is 2123726599. The reversal of 2123726574 is 4756273212.

It is a super-2 number, since 2×2123726574² = 9020429122227554952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123726573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1214769 + ... + 1216515.

It is an arithmetic number, because the mean of its divisors is an integer number (92797824).

Almost surely, 2^2123726574 is an apocalyptic number.

2123726574 is an abundant number, since it is smaller than the sum of its proper divisors (2330568978).

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

2123726574 is a wasteful number, since it uses less digits than its factorization.

2123726574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181 (or 2158 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 2123726574 is about 46083.9079723063. The cubic root of 2123726574 is about 1285.3839332815.

Adding to 2123726574 its reverse (4756273212), we get a palindrome (6879999786).

The spelling of 2123726574 in words is "two billion, one hundred twenty-three million, seven hundred twenty-six thousand, five hundred seventy-four".