213051136023 has 24 divisors (see below), whose sum is σ = 335734838400. Its totient is φ = 129115017360.

The previous prime is 213051136003. The next prime is 213051136037. The reversal of 213051136023 is 320631150312.

213051136023 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 51 + 1 + 3 + 602 + 3 = 666.

213051136023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213051136023 - 2¹⁰ = 213051134999 is a prime.

It is a super-5 number, since 5×213051136023⁵ (a number of 58 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213051136003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2293128 + ... + 2384226.

It is an arithmetic number, because the mean of its divisors is an integer number (13988951600).

Almost surely, 2^213051136023 is an apocalyptic number.

213051136023 is a deficient number, since it is larger than the sum of its proper divisors (122683702377).

213051136023 is a wasteful number, since it uses less digits than its factorization.

213051136023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114739 (or 114736 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 213051136023 its reverse (320631150312), we get a palindrome (533682286335).

The spelling of 213051136023 in words is "two hundred thirteen billion, fifty-one million, one hundred thirty-six thousand, twenty-three".