1429450223 has 6 divisors (see below), whose sum is σ = 1480442184. Its totient is φ = 1380158024.

The previous prime is 1429450213. The next prime is 1429450229. The reversal of 1429450223 is 3220549241.

It is not a de Polignac number, because 1429450223 - 2²⁰ = 1428401647 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 1429450223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429450229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 849011 + ... + 850692.

It is an arithmetic number, because the mean of its divisors is an integer number (246740364).

Almost surely, 2^1429450223 is an apocalyptic number.

1429450223 is a deficient number, since it is larger than the sum of its proper divisors (50991961).

1429450223 is an equidigital number, since it uses as much as digits as its factorization.

1429450223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699761 (or 1699732 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1429450223 is about 37808.0708711778. The cubic root of 1429450223 is about 1126.4787725231.

Adding to 1429450223 its reverse (3220549241), we get a palindrome (4649999464).

The spelling of 1429450223 in words is "one billion, four hundred twenty-nine million, four hundred fifty thousand, two hundred twenty-three".