1378702223 has 4 divisors (see below), whose sum is σ = 1378925328. Its totient is φ = 1378479120.

The previous prime is 1378702207. The next prime is 1378702229. The reversal of 1378702223 is 3222078731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3222078731 = 17 ⋅189534043.

It is a cyclic number.

It is not a de Polignac number, because 1378702223 - 2⁴ = 1378702207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378702229) 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, 102011 + ... + 114732.

It is an arithmetic number, because the mean of its divisors is an integer number (344731332).

Almost surely, 2^1378702223 is an apocalyptic number.

1378702223 is a deficient number, since it is larger than the sum of its proper divisors (223105).

1378702223 is an equidigital number, since it uses as much as digits as its factorization.

1378702223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223104.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1378702223 is about 37130.8796421523. The cubic root of 1378702223 is about 1112.9871715255.

The spelling of 1378702223 in words is "one billion, three hundred seventy-eight million, seven hundred two thousand, two hundred twenty-three".