2332132421 has 4 divisors (see below), whose sum is σ = 2332508844. Its totient is φ = 2331756000.

The previous prime is 2332132393. The next prime is 2332132427. The reversal of 2332132421 is 1242312332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1910651521 + 421480900 = 43711^2 + 20530^2 .

It is a cyclic number.

It is not a de Polignac number, because 2332132421 - 2¹⁰ = 2332131397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2332132427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178760 + ... + 191361.

It is an arithmetic number, because the mean of its divisors is an integer number (583127211).

Almost surely, 2^2332132421 is an apocalyptic number.

It is an amenable number.

2332132421 is a deficient number, since it is larger than the sum of its proper divisors (376423).

2332132421 is an equidigital number, since it uses as much as digits as its factorization.

2332132421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376422.

The product of its digits is 1728, while the sum is 23.

The square root of 2332132421 is about 48292.1569304996. The cubic root of 2332132421 is about 1326.1248160176.

Adding to 2332132421 its reverse (1242312332), we get a palindrome (3574444753).

The spelling of 2332132421 in words is "two billion, three hundred thirty-two million, one hundred thirty-two thousand, four hundred twenty-one".