1123203023131 has 16 divisors (see below), whose sum is σ = 1326751335616. Its totient is φ = 930758864256.

The previous prime is 1123203023123. The next prime is 1123203023147. The reversal of 1123203023131 is 1313203023211.

It is a cyclic number.

It is not a de Polignac number, because 1123203023131 - 2³ = 1123203023123 is a prime.

It is a super-2 number, since 2×1123203023131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123203033131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13770456 + ... + 13851781.

It is an arithmetic number, because the mean of its divisors is an integer number (82921958476).

Almost surely, 2^{1123203023131} is an apocalyptic number.

1123203023131 is a deficient number, since it is larger than the sum of its proper divisors (203548312485).

1123203023131 is a wasteful number, since it uses less digits than its factorization.

1123203023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27622438.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1123203023131 its reverse (1313203023211), we get a palindrome (2436406046342).

The spelling of 1123203023131 in words is "one trillion, one hundred twenty-three billion, two hundred three million, twenty-three thousand, one hundred thirty-one".