203233144442 has 8 divisors (see below), whose sum is σ = 312285075732. Its totient is φ = 99138119200.

The previous prime is 203233144417. The next prime is 203233144447. The reversal of 203233144442 is 244441332302.

It can be written as a sum of positive squares in 2 ways, for example, as 202517100361 + 716044081 = 450019^2 + 26759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 203233144399 and 203233144408.

It is not an unprimeable number, because it can be changed into a prime (203233144447) 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, 1239226409 + ... + 1239226572.

Almost surely, 2^203233144442 is an apocalyptic number.

203233144442 is a deficient number, since it is larger than the sum of its proper divisors (109051931290).

203233144442 is a wasteful number, since it uses less digits than its factorization.

203233144442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478453024.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 203233144442 its reverse (244441332302), we get a palindrome (447674476744).

The spelling of 203233144442 in words is "two hundred three billion, two hundred thirty-three million, one hundred forty-four thousand, four hundred forty-two".