203312230232 has 32 divisors (see below), whose sum is σ = 397809619200. Its totient is φ = 97230216864.

The previous prime is 203312230193. The next prime is 203312230267. The reversal of 203312230232 is 232032213302.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 203312230198 and 203312230207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4640573 + ... + 4684179.

It is an arithmetic number, because the mean of its divisors is an integer number (12431550600).

Almost surely, 2^203312230232 is an apocalyptic number.

It is an amenable number.

203312230232 is a deficient number, since it is larger than the sum of its proper divisors (194497388968).

203312230232 is a wasteful number, since it uses less digits than its factorization.

203312230232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68975 (or 68971 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 203312230232 its reverse (232032213302), we get a palindrome (435344443534).

The spelling of 203312230232 in words is "two hundred three billion, three hundred twelve million, two hundred thirty thousand, two hundred thirty-two".