1234243320 has 64 divisors (see below), whose sum is σ = 3713346720. Its totient is φ = 328187904.

The previous prime is 1234243313. The next prime is 1234243327. The reversal of 1234243320 is 233424321.

It is an interprime number because it is at equal distance from previous prime (1234243313) and next prime (1234243327).

It is a super-3 number, since 3×1234243320³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234243327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27792 + ... + 56928.

Almost surely, 2^1234243320 is an apocalyptic number.

1234243320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1234243320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1856673360).

1234243320 is an abundant number, since it is smaller than the sum of its proper divisors (2479103400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1234243320 is a wasteful number, since it uses less digits than its factorization.

1234243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29504 (or 29500 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1234243320 is about 35131.7992707462. The cubic root of 1234243320 is about 1072.6719607339.

Adding to 1234243320 its reverse (233424321), we get a palindrome (1467667641).

The spelling of 1234243320 in words is "one billion, two hundred thirty-four million, two hundred forty-three thousand, three hundred twenty".