1223232047 has 2 divisors, whose sum is σ = 1223232048. Its totient is φ = 1223232046.

The previous prime is 1223232029. The next prime is 1223232053. The reversal of 1223232047 is 7402323221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223232047 - 2²⁰ = 1222183471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223232067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611616023 + 611616024.

It is an arithmetic number, because the mean of its divisors is an integer number (611616024).

Almost surely, 2^1223232047 is an apocalyptic number.

1223232047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223232047 is an equidigital number, since it uses as much as digits as its factorization.

1223232047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 1223232047 is about 34974.7344092847. The cubic root of 1223232047 is about 1069.4724878164.

Adding to 1223232047 its reverse (7402323221), we get a palindrome (8625555268).

The spelling of 1223232047 in words is "one billion, two hundred twenty-three million, two hundred thirty-two thousand, forty-seven".