1235423245 has 8 divisors (see below), whose sum is σ = 1694294784. Its totient is φ = 847147344.

The previous prime is 1235423209. The next prime is 1235423257. The reversal of 1235423245 is 5423245321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1235423245 - 2⁹ = 1235422733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17648869 + ... + 17648938.

It is an arithmetic number, because the mean of its divisors is an integer number (211786848).

Almost surely, 2^1235423245 is an apocalyptic number.

It is an amenable number.

1235423245 is a deficient number, since it is larger than the sum of its proper divisors (458871539).

1235423245 is an equidigital number, since it uses as much as digits as its factorization.

1235423245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35297819.

The product of its digits is 28800, while the sum is 31.

The square root of 1235423245 is about 35148.5880939761. The cubic root of 1235423245 is about 1073.0136732993.

Adding to 1235423245 its reverse (5423245321), we get a palindrome (6658668566).

The spelling of 1235423245 in words is "one billion, two hundred thirty-five million, four hundred twenty-three thousand, two hundred forty-five".