123469272 has 64 divisors (see below), whose sum is σ = 347253600. Its totient is φ = 41150592.

The previous prime is 123469271. The next prime is 123469301. The reversal of 123469272 is 272964321.

123469272 is a `hidden beast` number, since 123 + 469 + 2 + 72 = 666.

It is a super-2 number, since 2×123469272² = 30489322256419968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123469271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13968 + ... + 21024.

Almost surely, 2^123469272 is an apocalyptic number.

123469272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123469272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173626800).

123469272 is an abundant number, since it is smaller than the sum of its proper divisors (223784328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123469272 is an frugal number, since it uses more digits than its factorization.

123469272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084 (or 7062 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 123469272 is about 11111.6727813592. The cubic root of 123469272 is about 497.9506410653.

The spelling of 123469272 in words is "one hundred twenty-three million, four hundred sixty-nine thousand, two hundred seventy-two".