438713123 has 4 divisors (see below), whose sum is σ = 438829320. Its totient is φ = 438596928.

The previous prime is 438713117. The next prime is 438713167. The reversal of 438713123 is 321317834.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321317834 = 2 ⋅160658917.

It is a cyclic number.

It is not a de Polignac number, because 438713123 - 2⁸ = 438712867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 438713123.

It is not an unprimeable number, because it can be changed into a prime (438713423) 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, 52238 + ... + 60051.

It is an arithmetic number, because the mean of its divisors is an integer number (109707330).

Almost surely, 2^438713123 is an apocalyptic number.

438713123 is a deficient number, since it is larger than the sum of its proper divisors (116197).

438713123 is a wasteful number, since it uses less digits than its factorization.

438713123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116196.

The product of its digits is 12096, while the sum is 32.

The square root of 438713123 is about 20945.4797748822. The cubic root of 438713123 is about 759.8482632206.

The spelling of 438713123 in words is "four hundred thirty-eight million, seven hundred thirteen thousand, one hundred twenty-three".