1233234420 has 144 divisors (see below), whose sum is σ = 3898938624. Its totient is φ = 290822400.

The previous prime is 1233234419. The next prime is 1233234421. The reversal of 1233234420 is 244323321.

It is an interprime number because it is at equal distance from previous prime (1233234419) and next prime (1233234421).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233234421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 266325 + ... + 270915.

Almost surely, 2^1233234420 is an apocalyptic number.

1233234420 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 1233234420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1949469312).

1233234420 is an abundant number, since it is smaller than the sum of its proper divisors (2665704204).

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

1233234420 is a wasteful number, since it uses less digits than its factorization.

1233234420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662 (or 4649 counting only the distinct ones).

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

The square root of 1233234420 is about 35117.4375488873. The cubic root of 1233234420 is about 1072.3796051574.

Adding to 1233234420 its reverse (244323321), we get a palindrome (1477557741).

The spelling of 1233234420 in words is "one billion, two hundred thirty-three million, two hundred thirty-four thousand, four hundred twenty".