123736896 has 70 divisors (see below), whose sum is σ = 366810290. Its totient is φ = 41243904.

The previous prime is 123736891. The next prime is 123736919. The reversal of 123736896 is 698637321.

It can be written as a sum of positive squares in only one way, i.e., 116640000 + 7096896 = 10800^2 + 2664^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123736891) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6751 + ... + 17118.

It is an arithmetic number, because the mean of its divisors is an integer number (5240147).

Almost surely, 2^123736896 is an apocalyptic number.

123736896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123736896 is an abundant number, since it is smaller than the sum of its proper divisors (243073394).

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

123736896 is an equidigital number, since it uses as much as digits as its factorization.

123736896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23893 (or 23874 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 123736896 is about 11123.7087340509. The cubic root of 123736896 is about 498.3101566260.

The spelling of 123736896 in words is "one hundred twenty-three million, seven hundred thirty-six thousand, eight hundred ninety-six".