232121147 has 2 divisors, whose sum is σ = 232121148. Its totient is φ = 232121146.

The previous prime is 232121137. The next prime is 232121159. The reversal of 232121147 is 741121232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232121147 - 2¹⁰ = 232120123 is a prime.

It is not a weakly prime, because it can be changed into another prime (232121117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116060573 + 116060574.

It is an arithmetic number, because the mean of its divisors is an integer number (116060574).

Almost surely, 2^232121147 is an apocalyptic number.

232121147 is a deficient number, since it is larger than the sum of its proper divisors (1).

232121147 is an equidigital number, since it uses as much as digits as its factorization.

232121147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 232121147 is about 15235.5225378062. The cubic root of 232121147 is about 614.5703011139.

Adding to 232121147 its reverse (741121232), we get a palindrome (973242379).

The spelling of 232121147 in words is "two hundred thirty-two million, one hundred twenty-one thousand, one hundred forty-seven".