243823260553475 has 48 divisors (see below), whose sum is σ = 329268036732000. Its totient is φ = 178398397900800.

The previous prime is 243823260553469. The next prime is 243823260553547. The reversal of 243823260553475 is 574355062328342.

It is not a de Polignac number, because 243823260553475 - 2⁸ = 243823260553219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112000865 + ... + 114157085.

It is an arithmetic number, because the mean of its divisors is an integer number (6859750765250).

Almost surely, 2^{243823260553475} is an apocalyptic number.

243823260553475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

243823260553475 is a deficient number, since it is larger than the sum of its proper divisors (85444776178525).

243823260553475 is a wasteful number, since it uses less digits than its factorization.

243823260553475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164488 (or 2164483 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 59.

The spelling of 243823260553475 in words is "two hundred forty-three trillion, eight hundred twenty-three billion, two hundred sixty million, five hundred fifty-three thousand, four hundred seventy-five".