213623253001 has 8 divisors (see below), whose sum is σ = 224612353800. Its totient is φ = 202875671040.

The previous prime is 213623252989. The next prime is 213623253031. The reversal of 213623253001 is 100352326312.

It can be written as a sum of positive squares in 4 ways, for example, as 2298243600 + 211325009401 = 47940^2 + 459701^2 .

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 213623253001 - 2²⁷ = 213489035273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213623253031) 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, 60377896 + ... + 60381433.

It is an arithmetic number, because the mean of its divisors is an integer number (28076544225).

Almost surely, 2^213623253001 is an apocalyptic number.

It is an amenable number.

213623253001 is a deficient number, since it is larger than the sum of its proper divisors (10989100799).

213623253001 is a wasteful number, since it uses less digits than its factorization.

213623253001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120759419.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 213623253001 its reverse (100352326312), we get a palindrome (313975579313).

The spelling of 213623253001 in words is "two hundred thirteen billion, six hundred twenty-three million, two hundred fifty-three thousand, one".