203230231033312 has 24 divisors (see below), whose sum is σ = 457268019825456. Its totient is φ = 87098670442752.

The previous prime is 203230231033309. The next prime is 203230231033343. The reversal of 203230231033312 is 213330132032302.

It is a super-2 number, since 2×203230231033312² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453638908333 + ... + 453638908780.

It is an arithmetic number, because the mean of its divisors is an integer number (19052834159394).

Almost surely, 2^{203230231033312} is an apocalyptic number.

It is an amenable number.

203230231033312 is an abundant number, since it is smaller than the sum of its proper divisors (254037788792144).

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

203230231033312 is an equidigital number, since it uses as much as digits as its factorization.

203230231033312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907277817130 (or 907277817122 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 203230231033312 its reverse (213330132032302), we get a palindrome (416560363065614).

The spelling of 203230231033312 in words is "two hundred three trillion, two hundred thirty billion, two hundred thirty-one million, thirty-three thousand, three hundred twelve".