1234423207 has 2 divisors, whose sum is σ = 1234423208. Its totient is φ = 1234423206.

The previous prime is 1234423199. The next prime is 1234423213. The reversal of 1234423207 is 7023244321.

It is a strong prime.

It is an emirp because it is prime and its reverse (7023244321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1234423207 - 2³ = 1234423199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234423297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617211603 + 617211604.

It is an arithmetic number, because the mean of its divisors is an integer number (617211604).

Almost surely, 2^1234423207 is an apocalyptic number.

1234423207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234423207 is an equidigital number, since it uses as much as digits as its factorization.

1234423207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 1234423207 is about 35134.3593509260. The cubic root of 1234423207 is about 1072.7240710335.

Adding to 1234423207 its reverse (7023244321), we get a palindrome (8257667528).

The spelling of 1234423207 in words is "one billion, two hundred thirty-four million, four hundred twenty-three thousand, two hundred seven".