945022123 has 2 divisors, whose sum is σ = 945022124. Its totient is φ = 945022122.

The previous prime is 945022121. The next prime is 945022139. The reversal of 945022123 is 321220549.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 945022123 - 2¹ = 945022121 is a prime.

Together with 945022121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 945022091 and 945022100.

It is not a weakly prime, because it can be changed into another prime (945022121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472511061 + 472511062.

It is an arithmetic number, because the mean of its divisors is an integer number (472511062).

Almost surely, 2^945022123 is an apocalyptic number.

945022123 is a deficient number, since it is larger than the sum of its proper divisors (1).

945022123 is an equidigital number, since it uses as much as digits as its factorization.

945022123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 945022123 is about 30741.2121263948. The cubic root of 945022123 is about 981.3275507534.

The spelling of 945022123 in words is "nine hundred forty-five million, twenty-two thousand, one hundred twenty-three".