1133031023123 has 4 divisors (see below), whose sum is σ = 1160665926168. Its totient is φ = 1105396120080.

The previous prime is 1133031023119. The next prime is 1133031023153. The reversal of 1133031023123 is 3213201303311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1133031023123 - 2² = 1133031023119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133031023153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13817451461 + ... + 13817451542.

It is an arithmetic number, because the mean of its divisors is an integer number (290166481542).

Almost surely, 2^{1133031023123} is an apocalyptic number.

1133031023123 is a deficient number, since it is larger than the sum of its proper divisors (27634903045).

1133031023123 is an equidigital number, since it uses as much as digits as its factorization.

1133031023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27634903044.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1133031023123 its reverse (3213201303311), we get a palindrome (4346232326434).

The spelling of 1133031023123 in words is "one trillion, one hundred thirty-three billion, thirty-one million, twenty-three thousand, one hundred twenty-three".