2123442430132 has 6 divisors (see below), whose sum is σ = 3716024252738. Its totient is φ = 1061721215064.

The previous prime is 2123442430129. The next prime is 2123442430159. The reversal of 2123442430132 is 2310342443212.

It can be written as a sum of positive squares in only one way, i.e., 1522746128016 + 600696302116 = 1233996^2 + 775046^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2123442430094 and 2123442430103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265430303763 + ... + 265430303770.

Almost surely, 2^{2123442430132} is an apocalyptic number.

It is an amenable number.

2123442430132 is a deficient number, since it is larger than the sum of its proper divisors (1592581822606).

2123442430132 is a wasteful number, since it uses less digits than its factorization.

2123442430132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530860607537 (or 530860607535 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 2123442430132 its reverse (2310342443212), we get a palindrome (4433784873344).

The spelling of 2123442430132 in words is "two trillion, one hundred twenty-three billion, four hundred forty-two million, four hundred thirty thousand, one hundred thirty-two".