202423384 has 8 divisors (see below), whose sum is σ = 379543860. Its totient is φ = 101211688.

The previous prime is 202423373. The next prime is 202423409. The reversal of 202423384 is 483324202.

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

It is a super-2 number, since 2×202423384² = 81950452780022912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12651454 + ... + 12651469.

Almost surely, 2^202423384 is an apocalyptic number.

It is an amenable number.

202423384 is a deficient number, since it is larger than the sum of its proper divisors (177120476).

202423384 is a wasteful number, since it uses less digits than its factorization.

202423384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25302929 (or 25302925 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 202423384 is about 14227.5572042428. The cubic root of 202423384 is about 587.1560772038.

Adding to 202423384 its reverse (483324202), we get a palindrome (685747586).

The spelling of 202423384 in words is "two hundred two million, four hundred twenty-three thousand, three hundred eighty-four".