1233003420 has 72 divisors (see below), whose sum is σ = 4080126960. Its totient is φ = 298909440.

The previous prime is 1233003413. The next prime is 1233003427. The reversal of 1233003420 is 243003321.

1233003420 is a `hidden beast` number, since 1 + 23 + 300 + 342 + 0 = 666.

1233003420 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1233003413) and next prime (1233003427).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1233003393 and 1233003402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233003427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309385 + ... + 313344.

It is an arithmetic number, because the mean of its divisors is an integer number (56668430).

Almost surely, 2^1233003420 is an apocalyptic number.

1233003420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233003420 is an abundant number, since it is smaller than the sum of its proper divisors (2847123540).

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

1233003420 is a wasteful number, since it uses less digits than its factorization.

1233003420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622755 (or 622750 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1233003420 is about 35114.1484305116. The cubic root of 1233003420 is about 1072.3126443392.

Adding to 1233003420 its reverse (243003321), we get a palindrome (1476006741).

Subtracting from 1233003420 its reverse (243003321), we obtain a palindrome (990000099).

The spelling of 1233003420 in words is "one billion, two hundred thirty-three million, three thousand, four hundred twenty".