1230406623 has 6 divisors (see below), whose sum is σ = 1777254024. Its totient is φ = 820271076.

The previous prime is 1230406613. The next prime is 1230406631. The reversal of 1230406623 is 3266040321.

1230406623 is a `hidden beast` number, since 1 + 2 + 30 + 4 + 0 + 6 + 623 = 666.

It is not a de Polignac number, because 1230406623 - 2¹² = 1230402527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230406613) 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 in 5 ways as a sum of consecutive naturals, for example, 68355915 + ... + 68355932.

It is an arithmetic number, because the mean of its divisors is an integer number (296209004).

Almost surely, 2^1230406623 is an apocalyptic number.

1230406623 is a deficient number, since it is larger than the sum of its proper divisors (546847401).

1230406623 is a wasteful number, since it uses less digits than its factorization.

1230406623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136711853 (or 136711850 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1230406623 is about 35077.1524357380. The cubic root of 1230406623 is about 1071.5593251550.

Adding to 1230406623 its reverse (3266040321), we get a palindrome (4496446944).

The spelling of 1230406623 in words is "one billion, two hundred thirty million, four hundred six thousand, six hundred twenty-three".