213023371632 has 40 divisors (see below), whose sum is σ = 552188605584. Its totient is φ = 70765438464.

The previous prime is 213023371607. The next prime is 213023371633. The reversal of 213023371632 is 236173320312.

It is a super-2 number, since 2×213023371632² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213023371593 and 213023371602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213023371633) 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, 7559293 + ... + 7587420.

Almost surely, 2^213023371632 is an apocalyptic number.

It is an amenable number.

213023371632 is an abundant number, since it is smaller than the sum of its proper divisors (339165233952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213023371632 is a wasteful number, since it uses less digits than its factorization.

213023371632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15147017 (or 15147011 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

Adding to 213023371632 its reverse (236173320312), we get a palindrome (449196691944).

The spelling of 213023371632 in words is "two hundred thirteen billion, twenty-three million, three hundred seventy-one thousand, six hundred thirty-two".