123163045 has 32 divisors (see below), whose sum is σ = 165722112. Its totient is φ = 87386112.

The previous prime is 123163039. The next prime is 123163081. The reversal of 123163045 is 540361321.

It is a cyclic number.

It is not a de Polignac number, because 123163045 - 2³ = 123163037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142284 + ... + 143146.

It is an arithmetic number, because the mean of its divisors is an integer number (5178816).

Almost surely, 2^123163045 is an apocalyptic number.

It is an amenable number.

123163045 is a deficient number, since it is larger than the sum of its proper divisors (42559067).

123163045 is a wasteful number, since it uses less digits than its factorization.

123163045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 123163045 is about 11097.8847083577. The cubic root of 123163045 is about 497.5386298632.

The spelling of 123163045 in words is "one hundred twenty-three million, one hundred sixty-three thousand, forty-five".