203235201153 has 12 divisors (see below), whose sum is σ = 293724980068. Its totient is φ = 135414892800.

The previous prime is 203235201097. The next prime is 203235201209. The reversal of 203235201153 is 351102532302.

It is a happy number.

203235201153 is a `hidden beast` number, since 2 + 0 + 3 + 23 + 520 + 115 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (203235201097) and next prime (203235201209).

It can be written as a sum of positive squares in 2 ways, for example, as 35861754384 + 167373446769 = 189372^2 + 409113^2 .

It is not a de Polignac number, because 203235201153 - 2³⁷ = 65796247681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (203235201053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6253000 + ... + 6285417.

Almost surely, 2^203235201153 is an apocalyptic number.

It is an amenable number.

203235201153 is a deficient number, since it is larger than the sum of its proper divisors (90489778915).

203235201153 is a wasteful number, since it uses less digits than its factorization.

203235201153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12540224 (or 12540221 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 203235201153 its reverse (351102532302), we get a palindrome (554337733455).

The spelling of 203235201153 in words is "two hundred three billion, two hundred thirty-five million, two hundred one thousand, one hundred fifty-three".