232121230447 has 2 divisors, whose sum is σ = 232121230448. Its totient is φ = 232121230446.

The previous prime is 232121230403. The next prime is 232121230483. The reversal of 232121230447 is 744032121232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232121230447 - 2¹¹ = 232121228399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232121230247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116060615223 + 116060615224.

It is an arithmetic number, because the mean of its divisors is an integer number (116060615224).

Almost surely, 2^232121230447 is an apocalyptic number.

232121230447 is a deficient number, since it is larger than the sum of its proper divisors (1).

232121230447 is an equidigital number, since it uses as much as digits as its factorization.

232121230447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 232121230447 its reverse (744032121232), we get a palindrome (976153351679).

The spelling of 232121230447 in words is "two hundred thirty-two billion, one hundred twenty-one million, two hundred thirty thousand, four hundred forty-seven".