203145323410 has 32 divisors (see below), whose sum is σ = 370564243200. Its totient is φ = 80170172160.

The previous prime is 203145323401. The next prime is 203145323417. The reversal of 203145323410 is 14323541302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (203145323417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980721 + ... + 1169659.

It is an arithmetic number, because the mean of its divisors is an integer number (11580132600).

Almost surely, 2^203145323410 is an apocalyptic number.

203145323410 is a deficient number, since it is larger than the sum of its proper divisors (167418919790).

203145323410 is a wasteful number, since it uses less digits than its factorization.

203145323410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190386.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 203145323410 its reverse (14323541302), we get a palindrome (217468864712).

The spelling of 203145323410 in words is "two hundred three billion, one hundred forty-five million, three hundred twenty-three thousand, four hundred ten".