203233120113 has 4 divisors (see below), whose sum is σ = 270977493488. Its totient is φ = 135488746740.

The previous prime is 203233120031. The next prime is 203233120121. The reversal of 203233120113 is 311021332302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 203233120113 - 2⁸ = 203233119857 is a prime.

It is a super-2 number, since 2×203233120113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203233120113.

It is not an unprimeable number, because it can be changed into a prime (203233120913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33872186683 + ... + 33872186688.

It is an arithmetic number, because the mean of its divisors is an integer number (67744373372).

Almost surely, 2^203233120113 is an apocalyptic number.

It is an amenable number.

203233120113 is a deficient number, since it is larger than the sum of its proper divisors (67744373375).

203233120113 is an equidigital number, since it uses as much as digits as its factorization.

203233120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67744373374.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 203233120113 its reverse (311021332302), we get a palindrome (514254452415).

The spelling of 203233120113 in words is "two hundred three billion, two hundred thirty-three million, one hundred twenty thousand, one hundred thirteen".