1209348223 has 8 divisors (see below), whose sum is σ = 1271915136. Its totient is φ = 1148253600.

The previous prime is 1209348199. The next prime is 1209348247. The reversal of 1209348223 is 3228439021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1209348199) and next prime (1209348247).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1209348223 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 (1209348253) 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, 366388 + ... + 369673.

It is an arithmetic number, because the mean of its divisors is an integer number (158989392).

Almost surely, 2^1209348223 is an apocalyptic number.

1209348223 is a deficient number, since it is larger than the sum of its proper divisors (62566913).

1209348223 is an equidigital number, since it uses as much as digits as its factorization.

1209348223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736145.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1209348223 is about 34775.6843642221. The cubic root of 1209348223 is about 1065.4108704382.

The spelling of 1209348223 in words is "one billion, two hundred nine million, three hundred forty-eight thousand, two hundred twenty-three".