201523433053 has 8 divisors (see below), whose sum is σ = 202177278072. Its totient is φ = 200869702656.

The previous prime is 201523433021. The next prime is 201523433077. The reversal of 201523433053 is 350334325102.

It can be written as a sum of positive squares in 4 ways, for example, as 13169169049 + 188354264004 = 114757^2 + 433998^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201523433053 - 2⁵ = 201523433021 is a prime.

It is a super-2 number, since 2×201523433053² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201523433653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4802901 + ... + 4844677.

It is an arithmetic number, because the mean of its divisors is an integer number (25272159759).

Almost surely, 2^201523433053 is an apocalyptic number.

It is an amenable number.

201523433053 is a deficient number, since it is larger than the sum of its proper divisors (653845019).

201523433053 is a wasteful number, since it uses less digits than its factorization.

201523433053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57311.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 201523433053 its reverse (350334325102), we get a palindrome (551857758155).

The spelling of 201523433053 in words is "two hundred one billion, five hundred twenty-three million, four hundred thirty-three thousand, fifty-three".