1123023231332 has 6 divisors (see below), whose sum is σ = 1965290654838. Its totient is φ = 561511615664.

The previous prime is 1123023231331. The next prime is 1123023231347. The reversal of 1123023231332 is 2331323203211.

It can be written as a sum of positive squares in only one way, i.e., 719551813696 + 403471417636 = 848264^2 + 635194^2 .

It is a super-2 number, since 2×1123023231332² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123023231331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140377903913 + ... + 140377903920.

It is an arithmetic number, because the mean of its divisors is an integer number (327548442473).

Almost surely, 2^{1123023231332} is an apocalyptic number.

It is an amenable number.

1123023231332 is a deficient number, since it is larger than the sum of its proper divisors (842267423506).

1123023231332 is a wasteful number, since it uses less digits than its factorization.

1123023231332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280755807837 (or 280755807835 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1123023231332 its reverse (2331323203211), we get a palindrome (3454346434543).

The spelling of 1123023231332 in words is "one trillion, one hundred twenty-three billion, twenty-three million, two hundred thirty-one thousand, three hundred thirty-two".