123214503 has 4 divisors (see below), whose sum is σ = 164286008. Its totient is φ = 82143000.

The previous prime is 123214501. The next prime is 123214513. The reversal of 123214503 is 305412321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 123214503 - 2¹ = 123214501 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 123214503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123214501) 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, 20535748 + ... + 20535753.

It is an arithmetic number, because the mean of its divisors is an integer number (41071502).

Almost surely, 2^123214503 is an apocalyptic number.

123214503 is a deficient number, since it is larger than the sum of its proper divisors (41071505).

123214503 is an equidigital number, since it uses as much as digits as its factorization.

123214503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41071504.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 123214503 is about 11100.2028359846. The cubic root of 123214503 is about 497.6079114080.

Adding to 123214503 its reverse (305412321), we get a palindrome (428626824).

The spelling of 123214503 in words is "one hundred twenty-three million, two hundred fourteen thousand, five hundred three".