1350203123 has 4 divisors (see below), whose sum is σ = 1350972480. Its totient is φ = 1349433768.

The previous prime is 1350203119. The next prime is 1350203177. The reversal of 1350203123 is 3213020531.

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

It is a cyclic number.

It is not a de Polignac number, because 1350203123 - 2² = 1350203119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1350203095 and 1350203104.

It is not an unprimeable number, because it can be changed into a prime (1350203423) 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, 382040 + ... + 385557.

It is an arithmetic number, because the mean of its divisors is an integer number (337743120).

Almost surely, 2^1350203123 is an apocalyptic number.

1350203123 is a deficient number, since it is larger than the sum of its proper divisors (769357).

1350203123 is an equidigital number, since it uses as much as digits as its factorization.

1350203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769356.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1350203123 is about 36745.1101916976. The cubic root of 1350203123 is about 1105.2648772960.

Adding to 1350203123 its reverse (3213020531), we get a palindrome (4563223654).

The spelling of 1350203123 in words is "one billion, three hundred fifty million, two hundred three thousand, one hundred twenty-three".