2130523432 has 8 divisors (see below), whose sum is σ = 3994731450. Its totient is φ = 1065261712.

The previous prime is 2130523411. The next prime is 2130523433. The reversal of 2130523432 is 2343250312.

It can be written as a sum of positive squares in only one way, i.e., 1322485956 + 808037476 = 36366^2 + 28426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2130523397 and 2130523406.

It is not an unprimeable number, because it can be changed into a prime (2130523433) 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, 133157707 + ... + 133157722.

Almost surely, 2^2130523432 is an apocalyptic number.

It is an amenable number.

2130523432 is a deficient number, since it is larger than the sum of its proper divisors (1864208018).

2130523432 is a wasteful number, since it uses less digits than its factorization.

2130523432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266315435 (or 266315431 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2130523432 is about 46157.5934381332. The cubic root of 2130523432 is about 1286.7537374147.

Adding to 2130523432 its reverse (2343250312), we get a palindrome (4473773744).

The spelling of 2130523432 in words is "two billion, one hundred thirty million, five hundred twenty-three thousand, four hundred thirty-two".