243023002550 has 24 divisors (see below), whose sum is σ = 452265070296. Its totient is φ = 97157096640.

The previous prime is 243023002501. The next prime is 243023002591. The reversal of 243023002550 is 55200320342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1208327 + ... + 1395026.

It is an arithmetic number, because the mean of its divisors is an integer number (18844377929).

Almost surely, 2^243023002550 is an apocalyptic number.

243023002550 is a deficient number, since it is larger than the sum of its proper divisors (209242067746).

243023002550 is a wasteful number, since it uses less digits than its factorization.

243023002550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605232 (or 2605227 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 243023002550 its reverse (55200320342), we get a palindrome (298223322892).

The spelling of 243023002550 in words is "two hundred forty-three billion, twenty-three million, two thousand, five hundred fifty".