1223056700 has 18 divisors (see below), whose sum is σ = 2654033256. Its totient is φ = 489222640.

The previous prime is 1223056699. The next prime is 1223056727. The reversal of 1223056700 is 76503221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223056700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6115184 + ... + 6115383.

It is an arithmetic number, because the mean of its divisors is an integer number (147446292).

Almost surely, 2^1223056700 is an apocalyptic number.

1223056700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223056700 is an abundant number, since it is smaller than the sum of its proper divisors (1430976556).

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

1223056700 is a wasteful number, since it uses less digits than its factorization.

1223056700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12230581 (or 12230574 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1223056700 is about 34972.2275527310. The cubic root of 1223056700 is about 1069.4213833798.

Adding to 1223056700 its reverse (76503221), we get a palindrome (1299559921).

The spelling of 1223056700 in words is "one billion, two hundred twenty-three million, fifty-six thousand, seven hundred".