213833148723 has 8 divisors (see below), whose sum is σ = 316789850000. Its totient is φ = 142555432464.

The previous prime is 213833148701. The next prime is 213833148743. The reversal of 213833148723 is 327841338312.

It is a happy number.

213833148723 is a `hidden beast` number, since 2 + 138 + 3 + 31 + 487 + 2 + 3 = 666.

It is not a de Polignac number, because 213833148723 - 2⁸ = 213833148467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213833148743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3959873098 + ... + 3959873151.

It is an arithmetic number, because the mean of its divisors is an integer number (39598731250).

Almost surely, 2^213833148723 is an apocalyptic number.

213833148723 is a deficient number, since it is larger than the sum of its proper divisors (102956701277).

213833148723 is an equidigital number, since it uses as much as digits as its factorization.

213833148723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7919746258 (or 7919746252 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 213833148723 in words is "two hundred thirteen billion, eight hundred thirty-three million, one hundred forty-eight thousand, seven hundred twenty-three".