23132441421 has 12 divisors (see below), whose sum is σ = 33433640448. Its totient is φ = 15412344264.

The previous prime is 23132441419. The next prime is 23132441489. The reversal of 23132441421 is 12414423132.

23132441421 is a `hidden beast` number, since 231 + 3 + 2 + 4 + 4 + 1 + 421 = 666.

It is not a de Polignac number, because 23132441421 - 2¹ = 23132441419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132441491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 757815 + ... + 787748.

It is an arithmetic number, because the mean of its divisors is an integer number (2786136704).

Almost surely, 2^23132441421 is an apocalyptic number.

It is an amenable number.

23132441421 is a deficient number, since it is larger than the sum of its proper divisors (10301199027).

23132441421 is a wasteful number, since it uses less digits than its factorization.

23132441421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547232 (or 1547229 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 23132441421 its reverse (12414423132), we get a palindrome (35546864553).

The spelling of 23132441421 in words is "twenty-three billion, one hundred thirty-two million, four hundred forty-one thousand, four hundred twenty-one".