123949336 has 16 divisors (see below), whose sum is σ = 265605840. Its totient is φ = 53121120.

The previous prime is 123949307. The next prime is 123949337. The reversal of 123949336 is 633949321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123949337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106635 + ... + 1106746.

It is an arithmetic number, because the mean of its divisors is an integer number (16600365).

Almost surely, 2^123949336 is an apocalyptic number.

It is an amenable number.

123949336 is an abundant number, since it is smaller than the sum of its proper divisors (141656504).

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

123949336 is a wasteful number, since it uses less digits than its factorization.

123949336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213394 (or 2213390 counting only the distinct ones).

The product of its digits is 104976, while the sum is 40.

The square root of 123949336 is about 11133.2536124890. The cubic root of 123949336 is about 498.5951712758.

The spelling of 123949336 in words is "one hundred twenty-three million, nine hundred forty-nine thousand, three hundred thirty-six".