162523213 has 8 divisors (see below), whose sum is σ = 174158208. Its totient is φ = 151118784.

The previous prime is 162523201. The next prime is 162523271. The reversal of 162523213 is 312325261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162523213 - 2⁵ = 162523181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162523813) 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, 56181 + ... + 59002.

It is an arithmetic number, because the mean of its divisors is an integer number (21769776).

Almost surely, 2^162523213 is an apocalyptic number.

It is an amenable number.

162523213 is a deficient number, since it is larger than the sum of its proper divisors (11634995).

162523213 is a wasteful number, since it uses less digits than its factorization.

162523213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115283.

The product of its digits is 2160, while the sum is 25.

The square root of 162523213 is about 12748.4592402376. The cubic root of 162523213 is about 545.7224243990.

Adding to 162523213 its reverse (312325261), we get a palindrome (474848474).

The spelling of 162523213 in words is "one hundred sixty-two million, five hundred twenty-three thousand, two hundred thirteen".