1230723522 has 48 divisors (see below), whose sum is σ = 3051240192. Its totient is φ = 351204480.

The previous prime is 1230723521. The next prime is 1230723577. The reversal of 1230723522 is 2253270321.

It is a happy number.

1230723522 is a `hidden beast` number, since 1 + 2 + 307 + 2 + 352 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1230723521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105463 + ... + 116549.

It is an arithmetic number, because the mean of its divisors is an integer number (63567504).

Almost surely, 2^1230723522 is an apocalyptic number.

1230723522 is an abundant number, since it is smaller than the sum of its proper divisors (1820516670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230723522 is a wasteful number, since it uses less digits than its factorization.

1230723522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11983 (or 11980 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 1230723522 is about 35081.6693160403. The cubic root of 1230723522 is about 1071.6513128830.

Adding to 1230723522 its reverse (2253270321), we get a palindrome (3483993843).

The spelling of 1230723522 in words is "one billion, two hundred thirty million, seven hundred twenty-three thousand, five hundred twenty-two".