1303233120 has 144 divisors (see below), whose sum is σ = 5082648480. Its totient is φ = 297879552.

The previous prime is 1303233109. The next prime is 1303233131. The reversal of 1303233120 is 213323031.

1303233120 is a `hidden beast` number, since 1 + 30 + 323 + 312 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1303233109) and next prime (1303233131).

It is a tau number, because it is divible by the number of its divisors (144).

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 = 1303233093 and 1303233102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54565 + ... + 74724.

It is an arithmetic number, because the mean of its divisors is an integer number (35296170).

Almost surely, 2^1303233120 is an apocalyptic number.

1303233120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303233120 is an abundant number, since it is smaller than the sum of its proper divisors (3779415360).

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

1303233120 is a wasteful number, since it uses less digits than its factorization.

1303233120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129317 (or 129306 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1303233120 is about 36100.3202201864. The cubic root of 1303233120 is about 1092.2969043335.

Adding to 1303233120 its reverse (213323031), we get a palindrome (1516556151).

The spelling of 1303233120 in words is "one billion, three hundred three million, two hundred thirty-three thousand, one hundred twenty".