201312023 has 8 divisors (see below), whose sum is σ = 221291136. Its totient is φ = 181612600.

The previous prime is 201311993. The next prime is 201312061. The reversal of 201312023 is 320213102.

It is a happy number.

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 201312023 - 2¹² = 201307927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201311989 and 201312007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212023) 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, 68411 + ... + 71292.

It is an arithmetic number, because the mean of its divisors is an integer number (27661392).

Almost surely, 2^201312023 is an apocalyptic number.

201312023 is a deficient number, since it is larger than the sum of its proper divisors (19979113).

201312023 is a wasteful number, since it uses less digits than its factorization.

201312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139845.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 201312023 is about 14188.4468142218. The cubic root of 201312023 is about 586.0795542885.

Adding to 201312023 its reverse (320213102), we get a palindrome (521525125).

The spelling of 201312023 in words is "two hundred one million, three hundred twelve thousand, twenty-three".