203450245153234 has 16 divisors (see below), whose sum is σ = 323296837358616. Its totient is φ = 95690928160000.

The previous prime is 203450245153201. The next prime is 203450245153247. The reversal of 203450245153234 is 432351542054302.

It can be written as a sum of positive squares in 4 ways, for example, as 123125721017209 + 80324524136025 = 11096203^2 + 8962395^2 .

It is a super-2 number, since 2×203450245153234² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573799317 + ... + 1573928584.

Almost surely, 2^{203450245153234} is an apocalyptic number.

203450245153234 is a deficient number, since it is larger than the sum of its proper divisors (119846592205382).

203450245153234 is a wasteful number, since it uses less digits than its factorization.

203450245153234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147729821.

The product of its (nonzero) digits is 1728000, while the sum is 43.

The spelling of 203450245153234 in words is "two hundred three trillion, four hundred fifty billion, two hundred forty-five million, one hundred fifty-three thousand, two hundred thirty-four".