203230402000 has 40 divisors (see below), whose sum is σ = 491411116872. Its totient is φ = 81292160000.

The previous prime is 203230401971. The next prime is 203230402019. The reversal of 203230402000 is 204032302.

It can be written as a sum of positive squares in 4 ways, for example, as 18663931456 + 184566470544 = 136616^2 + 429612^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 50805601 + ... + 50809600.

Almost surely, 2^203230402000 is an apocalyptic number.

203230402000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203230402000 is an abundant number, since it is smaller than the sum of its proper divisors (288180714872).

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

203230402000 is a wasteful number, since it uses less digits than its factorization.

203230402000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101615224 (or 101615208 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 203230402000 its reverse (204032302), we get a palindrome (203434434302).

The spelling of 203230402000 in words is "two hundred three billion, two hundred thirty million, four hundred two thousand".