1423203213 has 8 divisors (see below), whose sum is σ = 1925927008. Its totient is φ = 934640784.

The previous prime is 1423203209. The next prime is 1423203233. The reversal of 1423203213 is 3123023241.

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

It is not a de Polignac number, because 1423203213 - 2² = 1423203209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423203213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423203233) 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, 3540106 + ... + 3540507.

It is an arithmetic number, because the mean of its divisors is an integer number (240740876).

Almost surely, 2^1423203213 is an apocalyptic number.

It is an amenable number.

1423203213 is a deficient number, since it is larger than the sum of its proper divisors (502723795).

1423203213 is an equidigital number, since it uses as much as digits as its factorization.

1423203213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7080683.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1423203213 is about 37725.3656443513. The cubic root of 1423203213 is about 1124.8353900389.

Adding to 1423203213 its reverse (3123023241), we get a palindrome (4546226454).

The spelling of 1423203213 in words is "one billion, four hundred twenty-three million, two hundred three thousand, two hundred thirteen".