123227146 has 16 divisors (see below), whose sum is σ = 220431744. Its totient is φ = 50515344.

The previous prime is 123227113. The next prime is 123227183. The reversal of 123227146 is 641722321.

It is a super-2 number, since 2×123227146² = 30369859022610632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191025 + ... + 191668.

It is an arithmetic number, because the mean of its divisors is an integer number (13776984).

Almost surely, 2^123227146 is an apocalyptic number.

123227146 is a deficient number, since it is larger than the sum of its proper divisors (97204598).

123227146 is a wasteful number, since it uses less digits than its factorization.

123227146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382725.

The product of its digits is 4032, while the sum is 28.

The square root of 123227146 is about 11100.7723154743. The cubic root of 123227146 is about 497.6249306211.

Adding to 123227146 its reverse (641722321), we get a palindrome (764949467).

The spelling of 123227146 in words is "one hundred twenty-three million, two hundred twenty-seven thousand, one hundred forty-six".