1234236427 has 2 divisors, whose sum is σ = 1234236428. Its totient is φ = 1234236426.

The previous prime is 1234236383. The next prime is 1234236457. The reversal of 1234236427 is 7246324321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1234236427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1234236392 and 1234236401.

It is not a weakly prime, because it can be changed into another prime (1234236457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617118213 + 617118214.

It is an arithmetic number, because the mean of its divisors is an integer number (617118214).

Almost surely, 2^1234236427 is an apocalyptic number.

1234236427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234236427 is an equidigital number, since it uses as much as digits as its factorization.

1234236427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 34.

The square root of 1234236427 is about 35131.7011686027. The cubic root of 1234236427 is about 1072.6699638447.

The spelling of 1234236427 in words is "one billion, two hundred thirty-four million, two hundred thirty-six thousand, four hundred twenty-seven".