203214123 has 32 divisors (see below), whose sum is σ = 351104000. Its totient is φ = 116117064.

The previous prime is 203214071. The next prime is 203214133. The reversal of 203214123 is 321412302.

203214123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203214123 - 2¹⁷ = 203083051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203214096 and 203214105.

It is not an unprimeable number, because it can be changed into a prime (203214133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1711 + ... + 20232.

It is an arithmetic number, because the mean of its divisors is an integer number (10972000).

Almost surely, 2^203214123 is an apocalyptic number.

203214123 is a deficient number, since it is larger than the sum of its proper divisors (147889877).

203214123 is an equidigital number, since it uses as much as digits as its factorization.

203214123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21973 (or 21953 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 203214123 is about 14255.3191125278. The cubic root of 203214123 is about 587.9196318729.

Adding to 203214123 its reverse (321412302), we get a palindrome (524626425).

The spelling of 203214123 in words is "two hundred three million, two hundred fourteen thousand, one hundred twenty-three".