1233421242320 has 40 divisors (see below), whose sum is σ = 2867781421224. Its totient is φ = 493355244032.

The previous prime is 1233421242311. The next prime is 1233421242323. The reversal of 1233421242320 is 232421243321.

It can be written as a sum of positive squares in 4 ways, for example, as 203285560384 + 1030135681936 = 450872^2 + 1014956^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1233421242320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233421242323) 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, 3122162 + ... + 3494958.

Almost surely, 2^{1233421242320} is an apocalyptic number.

1233421242320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233421242320 is an abundant number, since it is smaller than the sum of its proper divisors (1634360178904).

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

1233421242320 is a wasteful number, since it uses less digits than its factorization.

1233421242320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414167 (or 414161 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1233421242320 its reverse (232421243321), we get a palindrome (1465842485641).

It can be divided in two parts, 1233421 and 242320, that added together give a palindrome (1475741).

The spelling of 1233421242320 in words is "one trillion, two hundred thirty-three billion, four hundred twenty-one million, two hundred forty-two thousand, three hundred twenty".