201010423450 has 12 divisors (see below), whose sum is σ = 373879387710. Its totient is φ = 80404169360.

The previous prime is 201010423433. The next prime is 201010423451. The reversal of 201010423450 is 54324010102.

It can be written as a sum of positive squares in 3 ways, for example, as 79574203921 + 121436219529 = 282089^2 + 348477^2 .

It is not an unprimeable number, because it can be changed into a prime (201010423451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2010104185 + ... + 2010104284.

Almost surely, 2^201010423450 is an apocalyptic number.

201010423450 is a deficient number, since it is larger than the sum of its proper divisors (172868964260).

201010423450 is a wasteful number, since it uses less digits than its factorization.

201010423450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020208481 (or 4020208476 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 201010423450 its reverse (54324010102), we get a palindrome (255334433552).

The spelling of 201010423450 in words is "two hundred one billion, ten million, four hundred twenty-three thousand, four hundred fifty".