123301145 has 16 divisors (see below), whose sum is σ = 165352320. Its totient is φ = 87484800.

The previous prime is 123301133. The next prime is 123301159. The reversal of 123301145 is 541103321.

It is not a de Polignac number, because 123301145 - 2²⁶ = 56192281 is a prime.

It is a super-2 number, since 2×123301145² = 30406344716622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25085 + ... + 29594.

It is an arithmetic number, because the mean of its divisors is an integer number (10334520).

Almost surely, 2^123301145 is an apocalyptic number.

It is an amenable number.

123301145 is a deficient number, since it is larger than the sum of its proper divisors (42051175).

123301145 is a wasteful number, since it uses less digits than its factorization.

123301145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54736.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 123301145 is about 11104.1048716229. The cubic root of 123301145 is about 497.7245200917.

Adding to 123301145 its reverse (541103321), we get a palindrome (664404466).

The spelling of 123301145 in words is "one hundred twenty-three million, three hundred one thousand, one hundred forty-five".