202423432 has 16 divisors (see below), whose sum is σ = 379921500. Its totient is φ = 101111040.

The previous prime is 202423423. The next prime is 202423433. The reversal of 202423432 is 234324202.

202423432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 199204996 + 3218436 = 14114^2 + 1794^2 .

It is not an unprimeable number, because it can be changed into a prime (202423433) 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, 3669 + ... + 20452.

Almost surely, 2^202423432 is an apocalyptic number.

It is an amenable number.

202423432 is a deficient number, since it is larger than the sum of its proper divisors (177498068).

202423432 is a wasteful number, since it uses less digits than its factorization.

202423432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25176 (or 25172 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 202423432 is about 14227.5588911099. The cubic root of 202423432 is about 587.1561236139.

Adding to 202423432 its reverse (234324202), we get a palindrome (436747634).

The spelling of 202423432 in words is "two hundred two million, four hundred twenty-three thousand, four hundred thirty-two".