1123032313211 has 8 divisors (see below), whose sum is σ = 1125846993264. Its totient is φ = 1120219194240.

The previous prime is 1123032313157. The next prime is 1123032313213. The reversal of 1123032313211 is 1123132303211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123032313211 is a prime.

It is a super-2 number, since 2×1123032313211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123032313213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057031 + ... + 1833951.

It is an arithmetic number, because the mean of its divisors is an integer number (140730874158).

Almost surely, 2^{1123032313211} is an apocalyptic number.

1123032313211 is a deficient number, since it is larger than the sum of its proper divisors (2814680053).

1123032313211 is an equidigital number, since it uses as much as digits as its factorization.

1123032313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780541.

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

Adding to 1123032313211 its reverse (1123132303211), we get a palindrome (2246164616422).

The spelling of 1123032313211 in words is "one trillion, one hundred twenty-three billion, thirty-two million, three hundred thirteen thousand, two hundred eleven".