201123223002 has 48 divisors (see below), whose sum is σ = 471669798600. Its totient is φ = 61569922176.

The previous prime is 201123222977. The next prime is 201123223013. The reversal of 201123223002 is 200322321102.

201123223002 is a `hidden beast` number, since 201 + 1 + 232 + 230 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 173871486441 + 27251736561 = 416979^2 + 165081^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2135377 + ... + 2227572.

Almost surely, 2^201123223002 is an apocalyptic number.

201123223002 is an abundant number, since it is smaller than the sum of its proper divisors (270546575598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201123223002 is a wasteful number, since it uses less digits than its factorization.

201123223002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363167 (or 4363164 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201123223002 its reverse (200322321102), we get a palindrome (401445544104).

The spelling of 201123223002 in words is "two hundred one billion, one hundred twenty-three million, two hundred twenty-three thousand, two".