1205325423 has 12 divisors (see below), whose sum is σ = 1744666560. Its totient is φ = 801869856.

The previous prime is 1205325403. The next prime is 1205325437. The reversal of 1205325423 is 3245235021.

It is a happy number.

1205325423 is a `hidden beast` number, since 1 + 205 + 32 + 5 + 423 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1205325423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205325403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135486 + ... + 144107.

It is an arithmetic number, because the mean of its divisors is an integer number (145388880).

Almost surely, 2^1205325423 is an apocalyptic number.

1205325423 is a deficient number, since it is larger than the sum of its proper divisors (539341137).

1205325423 is a wasteful number, since it uses less digits than its factorization.

1205325423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280078 (or 280075 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1205325423 is about 34717.7969203116. The cubic root of 1205325423 is about 1064.2282234986.

The spelling of 1205325423 in words is "one billion, two hundred five million, three hundred twenty-five thousand, four hundred twenty-three".