213141505125523 has 32 divisors (see below), whose sum is σ = 243420709593600. Its totient is φ = 184882052522496.

The previous prime is 213141505125511. The next prime is 213141505125551. The reversal of 213141505125523 is 325521505141312.

It is a cyclic number.

It is not a de Polignac number, because 213141505125523 - 2²⁹ = 213140968254611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213141505125553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5478774090 + ... + 5478812992.

It is an arithmetic number, because the mean of its divisors is an integer number (7606897174800).

Almost surely, 2^{213141505125523} is an apocalyptic number.

213141505125523 is a deficient number, since it is larger than the sum of its proper divisors (30279204468077).

213141505125523 is a wasteful number, since it uses less digits than its factorization.

213141505125523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77211.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 213141505125523 in words is "two hundred thirteen trillion, one hundred forty-one billion, five hundred five million, one hundred twenty-five thousand, five hundred twenty-three".