1223433151 has 2 divisors, whose sum is σ = 1223433152. Its totient is φ = 1223433150.

The previous prime is 1223433143. The next prime is 1223433173. The reversal of 1223433151 is 1513343221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223433151 - 2³ = 1223433143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223433451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611716575 + 611716576.

It is an arithmetic number, because the mean of its divisors is an integer number (611716576).

Almost surely, 2^1223433151 is an apocalyptic number.

1223433151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223433151 is an equidigital number, since it uses as much as digits as its factorization.

1223433151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 1223433151 is about 34977.6092807956. The cubic root of 1223433151 is about 1069.5310930528.

Adding to 1223433151 its reverse (1513343221), we get a palindrome (2736776372).

The spelling of 1223433151 in words is "one billion, two hundred twenty-three million, four hundred thirty-three thousand, one hundred fifty-one".