123305001 has 8 divisors (see below), whose sum is σ = 171554880. Its totient is φ = 78629232.

The previous prime is 123304963. The next prime is 123305009. The reversal of 123305001 is 100503321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123305001 - 2¹¹ = 123302953 is a prime.

It is a super-3 number, since 3×123305001³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (123305009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893446 + ... + 893583.

It is an arithmetic number, because the mean of its divisors is an integer number (21444360).

Almost surely, 2^123305001 is an apocalyptic number.

It is an amenable number.

123305001 is a deficient number, since it is larger than the sum of its proper divisors (48249879).

123305001 is a wasteful number, since it uses less digits than its factorization.

123305001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787055.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 123305001 is about 11104.2784997495. The cubic root of 123305001 is about 497.7297084884.

Adding to 123305001 its reverse (100503321), we get a palindrome (223808322).

The spelling of 123305001 in words is "one hundred twenty-three million, three hundred five thousand, one".