1233504312 has 32 divisors (see below), whose sum is σ = 3098388480. Its totient is φ = 409217760.

The previous prime is 1233504289. The next prime is 1233504361. The reversal of 1233504312 is 2134053321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116728 + ... + 126855.

It is an arithmetic number, because the mean of its divisors is an integer number (96824640).

Almost surely, 2^1233504312 is an apocalyptic number.

1233504312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1233504312 is an abundant number, since it is smaller than the sum of its proper divisors (1864884168).

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

1233504312 is a wasteful number, since it uses less digits than its factorization.

1233504312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243803 (or 243799 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1233504312 is about 35121.2800450097. The cubic root of 1233504312 is about 1072.4578291513.

Adding to 1233504312 its reverse (2134053321), we get a palindrome (3367557633).

The spelling of 1233504312 in words is "one billion, two hundred thirty-three million, five hundred four thousand, three hundred twelve".