2340203123 has 2 divisors, whose sum is σ = 2340203124. Its totient is φ = 2340203122.

The previous prime is 2340203101. The next prime is 2340203137. The reversal of 2340203123 is 3213020432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2340203123 - 2²⁰ = 2339154547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2340203095 and 2340203104.

It is not a weakly prime, because it can be changed into another prime (2340203143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170101561 + 1170101562.

It is an arithmetic number, because the mean of its divisors is an integer number (1170101562).

Almost surely, 2^2340203123 is an apocalyptic number.

2340203123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340203123 is an equidigital number, since it uses as much as digits as its factorization.

2340203123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2340203123 is about 48375.6459698473. The cubic root of 2340203123 is about 1327.6528075404.

Adding to 2340203123 its reverse (3213020432), we get a palindrome (5553223555).

The spelling of 2340203123 in words is "two billion, three hundred forty million, two hundred three thousand, one hundred twenty-three".