1233655056 has 40 divisors (see below), whose sum is σ = 3541048160. Its totient is φ = 411218208.

The previous prime is 1233654991. The next prime is 1233655061. The reversal of 1233655056 is 6505563321.

1233655056 is a `hidden beast` number, since 1 + 23 + 36 + 550 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1233655056.

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, 1427410 + ... + 1428273.

It is an arithmetic number, because the mean of its divisors is an integer number (88526204).

Almost surely, 2^1233655056 is an apocalyptic number.

1233655056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1233655056 is an abundant number, since it is smaller than the sum of its proper divisors (2307393104).

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

1233655056 is a wasteful number, since it uses less digits than its factorization.

1233655056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855700 (or 2855688 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 1233655056 is about 35123.4260287917. The cubic root of 1233655056 is about 1072.5015149864.

The spelling of 1233655056 in words is "one billion, two hundred thirty-three million, six hundred fifty-five thousand, fifty-six".