2142203432 has 8 divisors (see below), whose sum is σ = 4016631450. Its totient is φ = 1071101712.

The previous prime is 2142203423. The next prime is 2142203461. The reversal of 2142203432 is 2343022412.

It can be written as a sum of positive squares in only one way, i.e., 1159130116 + 983073316 = 34046^2 + 31354^2 .

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 = 2142203398 and 2142203407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133887707 + ... + 133887722.

Almost surely, 2^2142203432 is an apocalyptic number.

It is an amenable number.

2142203432 is a deficient number, since it is larger than the sum of its proper divisors (1874428018).

2142203432 is a wasteful number, since it uses less digits than its factorization.

2142203432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267775435 (or 267775431 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2142203432 is about 46283.9435657767. The cubic root of 2142203432 is about 1289.1008761748.

Adding to 2142203432 its reverse (2343022412), we get a palindrome (4485225844).

The spelling of 2142203432 in words is "two billion, one hundred forty-two million, two hundred three thousand, four hundred thirty-two".