123449271 has 16 divisors (see below), whose sum is σ = 181839360. Its totient is φ = 73869120.

The previous prime is 123449269. The next prime is 123449321. The reversal of 123449271 is 172944321.

It is not a de Polignac number, because 123449271 - 2¹ = 123449269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123449071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21070 + ... + 26283.

It is an arithmetic number, because the mean of its divisors is an integer number (11364960).

Almost surely, 2^123449271 is an apocalyptic number.

123449271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123449271 is a deficient number, since it is larger than the sum of its proper divisors (58390089).

123449271 is a wasteful number, since it uses less digits than its factorization.

123449271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47446.

The product of its digits is 12096, while the sum is 33.

The square root of 123449271 is about 11110.7727454034. The cubic root of 123449271 is about 497.9237516527.

It can be divided in two parts, 1234 and 49271, that added together give a palindrome (50505).

The spelling of 123449271 in words is "one hundred twenty-three million, four hundred forty-nine thousand, two hundred seventy-one".