1230031523 has 8 divisors (see below), whose sum is σ = 1406019840. Its totient is φ = 1054110600.

The previous prime is 1230031471. The next prime is 1230031541. The reversal of 1230031523 is 3251300321.

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 1230031523 - 2¹⁴ = 1230015139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230031495 and 1230031504.

It is not an unprimeable number, because it can be changed into a prime (1230031553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31538 + ... + 58776.

It is an arithmetic number, because the mean of its divisors is an integer number (175752480).

Almost surely, 2^1230031523 is an apocalyptic number.

1230031523 is a deficient number, since it is larger than the sum of its proper divisors (175988317).

1230031523 is an equidigital number, since it uses as much as digits as its factorization.

1230031523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33697.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1230031523 is about 35071.8052429583. The cubic root of 1230031523 is about 1071.4504227408.

Adding to 1230031523 its reverse (3251300321), we get a palindrome (4481331844).

The spelling of 1230031523 in words is "one billion, two hundred thirty million, thirty-one thousand, five hundred twenty-three".