10423213 has 4 divisors (see below), whose sum is σ = 10456828. Its totient is φ = 10389600.

The previous prime is 10423211. The next prime is 10423219. The reversal of 10423213 is 31232401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2566404 + 7856809 = 1602^2 + 2803^2 .

It is a cyclic number.

It is not a de Polignac number, because 10423213 - 2¹ = 10423211 is a prime.

It is the 3229-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10423211) by changing a digit.

It is a nontrivial repunit in base 3228.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16338 + ... + 16963.

It is an arithmetic number, because the mean of its divisors is an integer number (2614207).

Almost surely, 2^10423213 is an apocalyptic number.

It is an amenable number.

10423213 is a deficient number, since it is larger than the sum of its proper divisors (33615).

10423213 is an equidigital number, since it uses as much as digits as its factorization.

10423213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33614.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 10423213 is about 3228.5001161530. The cubic root of 10423213 is about 218.4408565949.

Adding to 10423213 its reverse (31232401), we get a palindrome (41655614).

The spelling of 10423213 in words is "ten million, four hundred twenty-three thousand, two hundred thirteen".