378407223 has 12 divisors (see below), whose sum is σ = 554747128. Its totient is φ = 248505840.

The previous prime is 378407221. The next prime is 378407231. The reversal of 378407223 is 322704873.

It is not a de Polignac number, because 378407223 - 2¹ = 378407221 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 (378407221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313168 + ... + 314373.

Almost surely, 2^378407223 is an apocalyptic number.

378407223 is a deficient number, since it is larger than the sum of its proper divisors (176339905).

378407223 is a wasteful number, since it uses less digits than its factorization.

378407223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627614 (or 627611 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 378407223 is about 19452.6919216853. The cubic root of 378407223 is about 723.3022329898.

The spelling of 378407223 in words is "three hundred seventy-eight million, four hundred seven thousand, two hundred twenty-three".