123416634 has 64 divisors (see below), whose sum is σ = 295021440. Its totient is φ = 33976320.

The previous prime is 123416627. The next prime is 123416639. The reversal of 123416634 is 436614321.

It is not an unprimeable number, because it can be changed into a prime (123416639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30642 + ... + 34434.

It is an arithmetic number, because the mean of its divisors is an integer number (4609710).

Almost surely, 2^123416634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123416634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147510720).

123416634 is an abundant number, since it is smaller than the sum of its proper divisors (171604806).

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

123416634 is a wasteful number, since it uses less digits than its factorization.

123416634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855.

The product of its digits is 10368, while the sum is 30.

The square root of 123416634 is about 11109.3039385913. The cubic root of 123416634 is about 497.8798681215.

The spelling of 123416634 in words is "one hundred twenty-three million, four hundred sixteen thousand, six hundred thirty-four".