123436984896 has 63 divisors (see below), whose sum is σ = 353834000611. Its totient is φ = 41142850944.

The previous prime is 123436984889. The next prime is 123436984903. The reversal of 123436984896 is 698489634321.

The square root of 123436984896 is 351336.

It is a perfect power (a square), and thus also a powerful number.

123436984896 is a `hidden beast` number, since 1 + 2 + 34 + 36 + 98 + 489 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (123436984889) and next prime (123436984903).

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 8424745 + ... + 8439383.

Almost surely, 2^123436984896 is an apocalyptic number.

123436984896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

123436984896 is the 351336-th square number.

It is an amenable number.

123436984896 is an abundant number, since it is smaller than the sum of its proper divisors (230397015715).

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

123436984896 is an frugal number, since it uses more digits than its factorization.

123436984896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29296 (or 14644 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 63.

The spelling of 123436984896 in words is "one hundred twenty-three billion, four hundred thirty-six million, nine hundred eighty-four thousand, eight hundred ninety-six".