1378223803 has 4 divisors (see below), whose sum is σ = 1503516888. Its totient is φ = 1252930720.

The previous prime is 1378223801. The next prime is 1378223807. The reversal of 1378223803 is 3083228731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1378223803 - 2¹ = 1378223801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1378223801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62646526 + ... + 62646547.

It is an arithmetic number, because the mean of its divisors is an integer number (375879222).

Almost surely, 2^1378223803 is an apocalyptic number.

1378223803 is a deficient number, since it is larger than the sum of its proper divisors (125293085).

1378223803 is a wasteful number, since it uses less digits than its factorization.

1378223803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125293084.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1378223803 is about 37124.4367364678. The cubic root of 1378223803 is about 1112.8584183361.

The spelling of 1378223803 in words is "one billion, three hundred seventy-eight million, two hundred twenty-three thousand, eight hundred three".