1232400223 has 2 divisors, whose sum is σ = 1232400224. Its totient is φ = 1232400222.

The previous prime is 1232400209. The next prime is 1232400259. The reversal of 1232400223 is 3220042321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1232400223 - 2²¹ = 1230303071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232400223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232400203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616200111 + 616200112.

It is an arithmetic number, because the mean of its divisors is an integer number (616200112).

Almost surely, 2^1232400223 is an apocalyptic number.

1232400223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232400223 is an equidigital number, since it uses as much as digits as its factorization.

1232400223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1232400223 is about 35105.5582920996. The cubic root of 1232400223 is about 1072.1377539686.

Adding to 1232400223 its reverse (3220042321), we get a palindrome (4452442544).

The spelling of 1232400223 in words is "one billion, two hundred thirty-two million, four hundred thousand, two hundred twenty-three".