1230523005 has 32 divisors (see below), whose sum is σ = 2017073664. Its totient is φ = 640385856.

The previous prime is 1230522991. The next prime is 1230523013. The reversal of 1230523005 is 5003250321.

It is not a de Polignac number, because 1230523005 - 2⁸ = 1230522749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101814 + ... + 113256.

It is an arithmetic number, because the mean of its divisors is an integer number (63033552).

Almost surely, 2^1230523005 is an apocalyptic number.

1230523005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1230523005 is a deficient number, since it is larger than the sum of its proper divisors (786550659).

1230523005 is a wasteful number, since it uses less digits than its factorization.

1230523005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 1230523005 is about 35078.8113396107. The cubic root of 1230523005 is about 1071.5931097275.

Adding to 1230523005 its reverse (5003250321), we get a palindrome (6233773326).

The spelling of 1230523005 in words is "one billion, two hundred thirty million, five hundred twenty-three thousand, five".