2123452571 has 2 divisors, whose sum is σ = 2123452572. Its totient is φ = 2123452570.

The previous prime is 2123452567. The next prime is 2123452577. The reversal of 2123452571 is 1752543212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123452571 - 2² = 2123452567 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123452577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061726285 + 1061726286.

It is an arithmetic number, because the mean of its divisors is an integer number (1061726286).

Almost surely, 2^2123452571 is an apocalyptic number.

2123452571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123452571 is an equidigital number, since it uses as much as digits as its factorization.

2123452571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 32.

The square root of 2123452571 is about 46080.9350057049. The cubic root of 2123452571 is about 1285.3286508664.

Adding to 2123452571 its reverse (1752543212), we get a palindrome (3875995783).

The spelling of 2123452571 in words is "two billion, one hundred twenty-three million, four hundred fifty-two thousand, five hundred seventy-one".