1243214303 has 8 divisors (see below), whose sum is σ = 1255145472. Its totient is φ = 1231316856.

The previous prime is 1243214293. The next prime is 1243214339. The reversal of 1243214303 is 3034123421.

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

It is a cyclic number.

It is not a de Polignac number, because 1243214303 - 2¹⁴ = 1243197919 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 (1243214003) 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, 69026 + ... + 85152.

It is an arithmetic number, because the mean of its divisors is an integer number (156893184).

Almost surely, 2^1243214303 is an apocalyptic number.

1243214303 is a deficient number, since it is larger than the sum of its proper divisors (11931169).

1243214303 is a wasteful number, since it uses less digits than its factorization.

1243214303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16861.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1243214303 is about 35259.2442204878. The cubic root of 1243214303 is about 1075.2645616743.

Adding to 1243214303 its reverse (3034123421), we get a palindrome (4277337724).

The spelling of 1243214303 in words is "one billion, two hundred forty-three million, two hundred fourteen thousand, three hundred three".