201123424 has 12 divisors (see below), whose sum is σ = 395961804. Its totient is φ = 100561696.

The previous prime is 201123401. The next prime is 201123449. The reversal of 201123424 is 424321102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3142522 + ... + 3142585.

It is an arithmetic number, because the mean of its divisors is an integer number (32996817).

Almost surely, 2^201123424 is an apocalyptic number.

It is an amenable number.

201123424 is a deficient number, since it is larger than the sum of its proper divisors (194838380).

201123424 is an equidigital number, since it uses as much as digits as its factorization.

201123424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285117 (or 6285109 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 201123424 is about 14181.7990396141. The cubic root of 201123424 is about 585.8964743907.

Adding to 201123424 its reverse (424321102), we get a palindrome (625444526).

The spelling of 201123424 in words is "two hundred one million, one hundred twenty-three thousand, four hundred twenty-four".