123163501 has 4 divisors (see below), whose sum is σ = 123232032. Its totient is φ = 123094972.

The previous prime is 123163499. The next prime is 123163507. The reversal of 123163501 is 105361321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123163501 - 2¹ = 123163499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123163507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31495 + ... + 35188.

It is an arithmetic number, because the mean of its divisors is an integer number (30808008).

Almost surely, 2^123163501 is an apocalyptic number.

It is an amenable number.

123163501 is a deficient number, since it is larger than the sum of its proper divisors (68531).

123163501 is an equidigital number, since it uses as much as digits as its factorization.

123163501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68530.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 123163501 is about 11097.9052527943. The cubic root of 123163501 is about 497.5392438930.

The spelling of 123163501 in words is "one hundred twenty-three million, one hundred sixty-three thousand, five hundred one".