1000423213 has 4 divisors (see below), whose sum is σ = 1000569600. Its totient is φ = 1000276828.

The previous prime is 1000423211. The next prime is 1000423217. The reversal of 1000423213 is 3123240001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1000423213 - 2¹ = 1000423211 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 (1000423211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62413 + ... + 76786.

It is an arithmetic number, because the mean of its divisors is an integer number (250142400).

Almost surely, 2^1000423213 is an apocalyptic number.

It is an amenable number.

1000423213 is a deficient number, since it is larger than the sum of its proper divisors (146387).

1000423213 is an equidigital number, since it uses as much as digits as its factorization.

1000423213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146386.

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

The square root of 1000423213 is about 31629.4674789191. The cubic root of 1000423213 is about 1000.1410511037.

Adding to 1000423213 its reverse (3123240001), we get a palindrome (4123663214).

The spelling of 1000423213 in words is "one billion, four hundred twenty-three thousand, two hundred thirteen".