2131123000232 has 32 divisors (see below), whose sum is σ = 4133738205000. Its totient is φ = 1028794491648.

The previous prime is 2131123000231. The next prime is 2131123000267. The reversal of 2131123000232 is 2320003211312.

It can be written as a sum of positive squares in 4 ways, for example, as 1164098576356 + 967024423876 = 1078934^2 + 983374^2 .

It is not an unprimeable number, because it can be changed into a prime (2131123000231) 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, 14353994 + ... + 14501702.

Almost surely, 2^{2131123000232} is an apocalyptic number.

It is an amenable number.

2131123000232 is a deficient number, since it is larger than the sum of its proper divisors (2002615204768).

2131123000232 is a wasteful number, since it uses less digits than its factorization.

2131123000232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209933 (or 209929 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2131123000232 its reverse (2320003211312), we get a palindrome (4451126211544).

The spelling of 2131123000232 in words is "two trillion, one hundred thirty-one billion, one hundred twenty-three million, two hundred thirty-two", and thus it is an aban number.