214440023 has 36 divisors (see below), whose sum is σ = 279284040. Its totient is φ = 163683072.

The previous prime is 214440019. The next prime is 214440041. The reversal of 214440023 is 320044412.

It is not a de Polignac number, because 214440023 - 2² = 214440019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214439977 and 214440004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214440013) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 268661 + ... + 269457.

It is an arithmetic number, because the mean of its divisors is an integer number (7757890).

Almost surely, 2^214440023 is an apocalyptic number.

214440023 is a deficient number, since it is larger than the sum of its proper divisors (64844017).

214440023 is a wasteful number, since it uses less digits than its factorization.

214440023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 214440023 is about 14643.7707917053. The cubic root of 214440023 is about 598.5520855688.

Adding to 214440023 its reverse (320044412), we get a palindrome (534484435).

The spelling of 214440023 in words is "two hundred fourteen million, four hundred forty thousand, twenty-three".