1131023112323 has 8 divisors (see below), whose sum is σ = 1218327862416. Its totient is φ = 1043761644000.

The previous prime is 1131023112299. The next prime is 1131023112353. The reversal of 1131023112323 is 3232113201311.

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 1131023112323 - 2⁸ = 1131023112067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131023112353) 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, 10766153 + ... + 10870698.

It is an arithmetic number, because the mean of its divisors is an integer number (152290982802).

Almost surely, 2^{1131023112323} is an apocalyptic number.

1131023112323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1131023112323 is a deficient number, since it is larger than the sum of its proper divisors (87304750093).

1131023112323 is a wasteful number, since it uses less digits than its factorization.

1131023112323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21640885.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1131023112323 its reverse (3232113201311), we get a palindrome (4363136313634).

The spelling of 1131023112323 in words is "one trillion, one hundred thirty-one billion, twenty-three million, one hundred twelve thousand, three hundred twenty-three".