1223378630 has 16 divisors (see below), whose sum is σ = 2278015920. Its totient is φ = 472477152.

The previous prime is 1223378617. The next prime is 1223378677. The reversal of 1223378630 is 368733221.

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, 2108984 + ... + 2109563.

It is an arithmetic number, because the mean of its divisors is an integer number (142375995).

Almost surely, 2^1223378630 is an apocalyptic number.

1223378630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223378630 is a deficient number, since it is larger than the sum of its proper divisors (1054637290).

1223378630 is a wasteful number, since it uses less digits than its factorization.

1223378630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218583.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1223378630 is about 34976.8299020938. The cubic root of 1223378630 is about 1069.5152053107.

The spelling of 1223378630 in words is "one billion, two hundred twenty-three million, three hundred seventy-eight thousand, six hundred thirty".