1230112031123 has 8 divisors (see below), whose sum is σ = 1245149989776. Its totient is φ = 1215079247200.

The previous prime is 1230112031119. The next prime is 1230112031149. The reversal of 1230112031123 is 3211302110321.

It is a happy number.

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 1230112031123 - 2² = 1230112031119 is a prime.

It is a super-2 number, since 2×1230112031123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230112031095 and 1230112031104.

It is not an unprimeable number, because it can be changed into a prime (1230112036123) 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, 814268 + ... + 1767273.

It is an arithmetic number, because the mean of its divisors is an integer number (155643748722).

Almost surely, 2^{1230112031123} is an apocalyptic number.

1230112031123 is a deficient number, since it is larger than the sum of its proper divisors (15037958653).

1230112031123 is an equidigital number, since it uses as much as digits as its factorization.

1230112031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587365.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1230112031123 its reverse (3211302110321), we get a palindrome (4441414141444).

The spelling of 1230112031123 in words is "one trillion, two hundred thirty billion, one hundred twelve million, thirty-one thousand, one hundred twenty-three".