123867456 has 56 divisors (see below), whose sum is σ = 332658720. Its totient is φ = 40668672.

The previous prime is 123867451. The next prime is 123867461. The reversal of 123867456 is 654768321.

It is an interprime number because it is at equal distance from previous prime (123867451) and next prime (123867461).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123867451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8050 + ... + 17678.

Almost surely, 2^123867456 is an apocalyptic number.

123867456 is a gapful number since it is divisible by the number (16) 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 123867456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166329360).

123867456 is an abundant number, since it is smaller than the sum of its proper divisors (208791264).

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

123867456 is an equidigital number, since it uses as much as digits as its factorization.

123867456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9711 (or 9701 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 123867456 is about 11129.5757331535. The cubic root of 123867456 is about 498.4853576837.

The spelling of 123867456 in words is "one hundred twenty-three million, eight hundred sixty-seven thousand, four hundred fifty-six".