1231032323230 has 16 divisors (see below), whose sum is σ = 2263004101440. Its totient is φ = 481936058272.

The previous prime is 1231032323189. The next prime is 1231032323291. The reversal of 1231032323230 is 323232301321.

It is a junction number, because it is equal to n+sod(n) for n = 1231032323195 and 1231032323204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309608385 + ... + 1309609324.

It is an arithmetic number, because the mean of its divisors is an integer number (141437756340).

Almost surely, 2^{1231032323230} is an apocalyptic number.

1231032323230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231032323230 is a deficient number, since it is larger than the sum of its proper divisors (1031971778210).

1231032323230 is a wasteful number, since it uses less digits than its factorization.

1231032323230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619217763.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1231032323230 its reverse (323232301321), we get a palindrome (1554264624551).

The spelling of 1231032323230 in words is "one trillion, two hundred thirty-one billion, thirty-two million, three hundred twenty-three thousand, two hundred thirty".