123412371 has 16 divisors (see below), whose sum is σ = 170566560. Its totient is φ = 79278080.

The previous prime is 123412363. The next prime is 123412381. The reversal of 123412371 is 173214321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123412371 - 2³ = 123412363 is a prime.

It is a super-2 number, since 2×123412371² = 30461226631683282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123412321) 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 15 ways as a sum of consecutive naturals, for example, 54661 + ... + 56873.

It is an arithmetic number, because the mean of its divisors is an integer number (10660410).

Almost surely, 2^123412371 is an apocalyptic number.

123412371 is a deficient number, since it is larger than the sum of its proper divisors (47154189).

123412371 is a wasteful number, since it uses less digits than its factorization.

123412371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886.

The product of its digits is 1008, while the sum is 24.

The square root of 123412371 is about 11109.1120707282. The cubic root of 123412371 is about 497.8741355439.

Adding to 123412371 its reverse (173214321), we get a palindrome (296626692).

The spelling of 123412371 in words is "one hundred twenty-three million, four hundred twelve thousand, three hundred seventy-one".