2345209123 has 2 divisors, whose sum is σ = 2345209124. Its totient is φ = 2345209122.

The previous prime is 2345209103. The next prime is 2345209127. The reversal of 2345209123 is 3219025432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2345209123 - 2⁹ = 2345208611 is a prime.

It is not a weakly prime, because it can be changed into another prime (2345209127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172604561 + 1172604562.

It is an arithmetic number, because the mean of its divisors is an integer number (1172604562).

Almost surely, 2^2345209123 is an apocalyptic number.

2345209123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345209123 is an equidigital number, since it uses as much as digits as its factorization.

2345209123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2345209123 is about 48427.3592404129. The cubic root of 2345209123 is about 1328.5988075496.

The spelling of 2345209123 in words is "two billion, three hundred forty-five million, two hundred nine thousand, one hundred twenty-three".