203213134023004 has 72 divisors (see below), whose sum is σ = 414222125788800. Its totient is φ = 86978057088384.

The previous prime is 203213134022993. The next prime is 203213134023013. The reversal of 203213134023004 is 400320431312302.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 1242986914 + ... + 1243150390.

It is an arithmetic number, because the mean of its divisors is an integer number (5753085080400).

Almost surely, 2^{203213134023004} is an apocalyptic number.

It is an amenable number.

203213134023004 is an abundant number, since it is smaller than the sum of its proper divisors (211008991765796).

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

203213134023004 is a wasteful number, since it uses less digits than its factorization.

203213134023004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171707 (or 171698 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203213134023004 its reverse (400320431312302), we get a palindrome (603533565335306).

The spelling of 203213134023004 in words is "two hundred three trillion, two hundred thirteen billion, one hundred thirty-four million, twenty-three thousand, four".