1244030223 has 4 divisors (see below), whose sum is σ = 1658706968. Its totient is φ = 829353480.

The previous prime is 1244030209. The next prime is 1244030237. The reversal of 1244030223 is 3220304421.

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

It is an interprime number because it is at equal distance from previous prime (1244030209) and next prime (1244030237).

It is not a de Polignac number, because 1244030223 - 2⁸ = 1244029967 is a prime.

It is a super-2 number, since 2×1244030223² = 3095222391474859458, which contains 22 as substring.

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 1244030223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244034223) 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, 207338368 + ... + 207338373.

It is an arithmetic number, because the mean of its divisors is an integer number (414676742).

Almost surely, 2^1244030223 is an apocalyptic number.

1244030223 is a deficient number, since it is larger than the sum of its proper divisors (414676745).

1244030223 is an equidigital number, since it uses as much as digits as its factorization.

1244030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414676744.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1244030223 is about 35270.8126217699. The cubic root of 1244030223 is about 1075.4997418302.

Adding to 1244030223 its reverse (3220304421), we get a palindrome (4464334644).

It can be divided in two parts, 1244030 and 223, that added together give a triangular number (1244253 = T₁₅₇₇).

The spelling of 1244030223 in words is "one billion, two hundred forty-four million, thirty thousand, two hundred twenty-three".