4378023 has 16 divisors (see below), whose sum is σ = 6985440. Its totient is φ = 2693952.

The previous prime is 4378019. The next prime is 4378057. The reversal of 4378023 is 3208734.

4378023 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4378023 - 2² = 4378019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4 + 3⁸ + 7 + 8⁷ + 0 + 2²¹ + 3¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5886 + ... + 6587.

It is an arithmetic number, because the mean of its divisors is an integer number (436590).

Almost surely, 2^4378023 is an apocalyptic number.

4378023 is a deficient number, since it is larger than the sum of its proper divisors (2607417).

4378023 is a wasteful number, since it uses less digits than its factorization.

4378023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12495 (or 12489 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 4378023 is about 2092.3725767654. The cubic root of 4378023 is about 163.5909770591.

The spelling of 4378023 in words is "four million, three hundred seventy-eight thousand, twenty-three".