1223400350 has 24 divisors (see below), whose sum is σ = 2284989168. Its totient is φ = 487324800.

The previous prime is 1223400349. The next prime is 1223400379. The reversal of 1223400350 is 530043221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38714 + ... + 62813.

It is an arithmetic number, because the mean of its divisors is an integer number (95207882).

Almost surely, 2^1223400350 is an apocalyptic number.

1223400350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223400350 is a deficient number, since it is larger than the sum of its proper divisors (1061588818).

1223400350 is a wasteful number, since it uses less digits than its factorization.

1223400350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101780 (or 101775 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1223400350 is about 34977.1403919760. The cubic root of 1223400350 is about 1069.5215347039.

Adding to 1223400350 its reverse (530043221), we get a palindrome (1753443571).

The spelling of 1223400350 in words is "one billion, two hundred twenty-three million, four hundred thousand, three hundred fifty".