1223223411400 has 48 divisors (see below), whose sum is σ = 2920859163540. Its totient is φ = 476065324800.

The previous prime is 1223223411337. The next prime is 1223223411461. The reversal of 1223223411400 is 41143223221.

It can be written as a sum of positive squares in 6 ways, for example, as 685262773636 + 537960637764 = 827806^2 + 733458^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82642831 + ... + 82657630.

Almost surely, 2^{1223223411400} is an apocalyptic number.

1223223411400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223223411400 is an abundant number, since it is smaller than the sum of its proper divisors (1697635752140).

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

1223223411400 is a wasteful number, since it uses less digits than its factorization.

1223223411400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165300514 (or 165300505 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1223223411400 its reverse (41143223221), we get a palindrome (1264366634621).

The spelling of 1223223411400 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-three million, four hundred eleven thousand, four hundred".