213504653046123 has 32 divisors (see below), whose sum is σ = 317523698395200. Its totient is φ = 141787355328000.

The previous prime is 213504653046121. The next prime is 213504653046241. The reversal of 213504653046123 is 321640356405312.

213504653046123 is a `hidden beast` number, since 2 + 1 + 3 + 50 + 4 + 6 + 530 + 4 + 61 + 2 + 3 = 666.

It is not a de Polignac number, because 213504653046123 - 2¹ = 213504653046121 is a prime.

It is a super-4 number, since 4×213504653046123⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (213504653046121) 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, 49655773 + ... + 53783873.

It is an arithmetic number, because the mean of its divisors is an integer number (9922615574850).

Almost surely, 2^{213504653046123} is an apocalyptic number.

213504653046123 is a deficient number, since it is larger than the sum of its proper divisors (104019045349077).

213504653046123 is a wasteful number, since it uses less digits than its factorization.

213504653046123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135500 (or 4135494 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 213504653046123 in words is "two hundred thirteen trillion, five hundred four billion, six hundred fifty-three million, forty-six thousand, one hundred twenty-three".