1131203000123 has 8 divisors (see below), whose sum is σ = 1296529089792. Its totient is φ = 966808325736.

The previous prime is 1131203000119. The next prime is 1131203000131. The reversal of 1131203000123 is 3210003021311.

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 1131203000123 - 2² = 1131203000119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131203000623) 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, 232851215 + ... + 232856072.

It is an arithmetic number, because the mean of its divisors is an integer number (162066136224).

Almost surely, 2^{1131203000123} is an apocalyptic number.

1131203000123 is a deficient number, since it is larger than the sum of its proper divisors (165326089669).

1131203000123 is an equidigital number, since it uses as much as digits as its factorization.

1131203000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465707641.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1131203000123 its reverse (3210003021311), we get a palindrome (4341206021434).

The spelling of 1131203000123 in words is "one trillion, one hundred thirty-one billion, two hundred three million, one hundred twenty-three", and thus it is an aban number.