1233320144 has 20 divisors (see below), whose sum is σ = 2730923424. Its totient is φ = 528565728.

The previous prime is 1233320141. The next prime is 1233320147. The reversal of 1233320144 is 4410233321.

It is an interprime number because it is at equal distance from previous prime (1233320141) and next prime (1233320147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233320141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505782 + ... + 5506005.

Almost surely, 2^1233320144 is an apocalyptic number.

1233320144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1233320144 is an abundant number, since it is smaller than the sum of its proper divisors (1497603280).

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

1233320144 is a wasteful number, since it uses less digits than its factorization.

1233320144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011802 (or 11011796 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1233320144 is about 35118.6580609225. The cubic root of 1233320144 is about 1072.4044521607.

Adding to 1233320144 its reverse (4410233321), we get a palindrome (5643553465).

The spelling of 1233320144 in words is "one billion, two hundred thirty-three million, three hundred twenty thousand, one hundred forty-four".