1231130032123 has 8 divisors (see below), whose sum is σ = 1305717384096. Its totient is φ = 1158297676800.

The previous prime is 1231130032109. The next prime is 1231130032163. The reversal of 1231130032123 is 3212300311321.

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 1231130032123 - 2⁹ = 1231130031611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231130032094 and 1231130032103.

It is not an unprimeable number, because it can be changed into a prime (1231130032163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438747718 + ... + 438750523.

It is an arithmetic number, because the mean of its divisors is an integer number (163214673012).

Almost surely, 2^{1231130032123} is an apocalyptic number.

1231130032123 is a deficient number, since it is larger than the sum of its proper divisors (74587351973).

1231130032123 is an equidigital number, since it uses as much as digits as its factorization.

1231130032123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877498325.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1231130032123 its reverse (3212300311321), we get a palindrome (4443430343444).

The spelling of 1231130032123 in words is "one trillion, two hundred thirty-one billion, one hundred thirty million, thirty-two thousand, one hundred twenty-three".