223232012131 has 2 divisors, whose sum is σ = 223232012132. Its totient is φ = 223232012130.

The previous prime is 223232012039. The next prime is 223232012141. The reversal of 223232012131 is 131210232322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223232012131 - 2⁹ = 223232011619 is a prime.

It is a super-3 number, since 3×223232012131³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (223232012141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111616006065 + 111616006066.

It is an arithmetic number, because the mean of its divisors is an integer number (111616006066).

Almost surely, 2^223232012131 is an apocalyptic number.

223232012131 is a deficient number, since it is larger than the sum of its proper divisors (1).

223232012131 is an equidigital number, since it uses as much as digits as its factorization.

223232012131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 223232012131 its reverse (131210232322), we get a palindrome (354442244453).

The spelling of 223232012131 in words is "two hundred twenty-three billion, two hundred thirty-two million, twelve thousand, one hundred thirty-one".