2123433425 has 6 divisors (see below), whose sum is σ = 2633057478. Its totient is φ = 1698746720.

The previous prime is 2123433421. The next prime is 2123433427. The reversal of 2123433425 is 5243343212.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 555827776 + 1567605649 = 23576^2 + 39593^2 .

It is not a de Polignac number, because 2123433425 - 2² = 2123433421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123433421) 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, 42468644 + ... + 42468693.

It is an arithmetic number, because the mean of its divisors is an integer number (438842913).

Almost surely, 2^2123433425 is an apocalyptic number.

2123433425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2123433425 is a deficient number, since it is larger than the sum of its proper divisors (509624053).

2123433425 is an equidigital number, since it uses as much as digits as its factorization.

2123433425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84937347 (or 84937342 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 2123433425 is about 46080.7272620561. The cubic root of 2123433425 is about 1285.3247878217.

Adding to 2123433425 its reverse (5243343212), we get a palindrome (7366776637).

The spelling of 2123433425 in words is "two billion, one hundred twenty-three million, four hundred thirty-three thousand, four hundred twenty-five".