423250123 has 2 divisors, whose sum is σ = 423250124. Its totient is φ = 423250122.

The previous prime is 423250111. The next prime is 423250133. The reversal of 423250123 is 321052324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423250123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423250094 and 423250103.

It is not a weakly prime, because it can be changed into another prime (423250133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211625061 + 211625062.

It is an arithmetic number, because the mean of its divisors is an integer number (211625062).

Almost surely, 2^423250123 is an apocalyptic number.

423250123 is a deficient number, since it is larger than the sum of its proper divisors (1).

423250123 is an equidigital number, since it uses as much as digits as its factorization.

423250123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 423250123 is about 20573.0436007898. The cubic root of 423250123 is about 750.8140039143.

The spelling of 423250123 in words is "four hundred twenty-three million, two hundred fifty thousand, one hundred twenty-three".