1243243414 has 8 divisors (see below), whose sum is σ = 2131274448. Its totient is φ = 532818600.

The previous prime is 1243243409. The next prime is 1243243429. The reversal of 1243243414 is 4143423421.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44401537 + ... + 44401564.

It is an arithmetic number, because the mean of its divisors is an integer number (266409306).

Almost surely, 2^1243243414 is an apocalyptic number.

1243243414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1243243414 is a deficient number, since it is larger than the sum of its proper divisors (888031034).

1243243414 is an equidigital number, since it uses as much as digits as its factorization.

1243243414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88803110.

The product of its digits is 9216, while the sum is 28.

The square root of 1243243414 is about 35259.6570317977. The cubic root of 1243243414 is about 1075.2729543765.

Adding to 1243243414 its reverse (4143423421), we get a palindrome (5386666835).

The spelling of 1243243414 in words is "one billion, two hundred forty-three million, two hundred forty-three thousand, four hundred fourteen".