42203432 has 16 divisors (see below), whose sum is σ = 81062100. Its totient is φ = 20586880.

The previous prime is 42203429. The next prime is 42203437. The reversal of 42203432 is 23430224.

It can be written as a sum of positive squares in 2 ways, for example, as 27102436 + 15100996 = 5206^2 + 3886^2 .

It is a super-2 number, since 2×42203432² = 3562259345157248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42203437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64007 + ... + 64662.

Almost surely, 2^42203432 is an apocalyptic number.

It is an amenable number.

42203432 is a deficient number, since it is larger than the sum of its proper divisors (38858668).

42203432 is a wasteful number, since it uses less digits than its factorization.

42203432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128716 (or 128712 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42203432 is about 6496.4168585459. The cubic root of 42203432 is about 348.1629791054.

Adding to 42203432 its reverse (23430224), we get a palindrome (65633656).

The spelling of 42203432 in words is "forty-two million, two hundred three thousand, four hundred thirty-two".