123463136 has 48 divisors (see below), whose sum is σ = 251158320. Its totient is φ = 59704320.

The previous prime is 123463091. The next prime is 123463139. The reversal of 123463136 is 631364321.

It is a junction number, because it is equal to n+sod(n) for n = 123463099 and 123463108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123463139) 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, 182030 + ... + 182706.

It is an arithmetic number, because the mean of its divisors is an integer number (5232465).

Almost surely, 2^123463136 is an apocalyptic number.

123463136 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 123463136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125579160).

123463136 is an abundant number, since it is smaller than the sum of its proper divisors (127695184).

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

123463136 is a wasteful number, since it uses less digits than its factorization.

123463136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 859 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 123463136 is about 11111.3966718860. The cubic root of 123463136 is about 497.9423921148.

The spelling of 123463136 in words is "one hundred twenty-three million, four hundred sixty-three thousand, one hundred thirty-six".