1232137223 has 2 divisors, whose sum is σ = 1232137224. Its totient is φ = 1232137222.

The previous prime is 1232137201. The next prime is 1232137261. The reversal of 1232137223 is 3227312321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1232137223 - 2¹² = 1232133127 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232137192 and 1232137201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232107223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616068611 + 616068612.

It is an arithmetic number, because the mean of its divisors is an integer number (616068612).

Almost surely, 2^1232137223 is an apocalyptic number.

1232137223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232137223 is an equidigital number, since it uses as much as digits as its factorization.

1232137223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 1232137223 is about 35101.8122466633. The cubic root of 1232137223 is about 1072.0614821308.

Adding to 1232137223 its reverse (3227312321), we get a palindrome (4459449544).

The spelling of 1232137223 in words is "one billion, two hundred thirty-two million, one hundred thirty-seven thousand, two hundred twenty-three".