11211303233123 has 48 divisors (see below), whose sum is σ = 13880517384960. Its totient is φ = 8865957909312.

The previous prime is 11211303233113. The next prime is 11211303233183. The reversal of 11211303233123 is 32133230311211.

It is not a de Polignac number, because 11211303233123 - 2⁴ = 11211303233107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11211303233092 and 11211303233101.

It is not an unprimeable number, because it can be changed into a prime (11211303233113) 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 47 ways as a sum of consecutive naturals, for example, 15601565 + ... + 16304337.

It is an arithmetic number, because the mean of its divisors is an integer number (289177445520).

Almost surely, 2^{11211303233123} is an apocalyptic number.

11211303233123 is a deficient number, since it is larger than the sum of its proper divisors (2669214151837).

11211303233123 is a wasteful number, since it uses less digits than its factorization.

11211303233123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702984 (or 702965 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 11211303233123 its reverse (32133230311211), we get a palindrome (43344533544334).

The spelling of 11211303233123 in words is "eleven trillion, two hundred eleven billion, three hundred three million, two hundred thirty-three thousand, one hundred twenty-three".