123722349 has 8 divisors (see below), whose sum is σ = 165102912. Its totient is φ = 82411680.

The previous prime is 123722341. The next prime is 123722353. The reversal of 123722349 is 943227321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123722349 - 2³ = 123722341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123722341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13192 + ... + 20529.

It is an arithmetic number, because the mean of its divisors is an integer number (20637864).

Almost surely, 2^123722349 is an apocalyptic number.

It is an amenable number.

123722349 is a deficient number, since it is larger than the sum of its proper divisors (41380563).

123722349 is a wasteful number, since it uses less digits than its factorization.

123722349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34947.

The product of its digits is 18144, while the sum is 33.

The square root of 123722349 is about 11123.0548411846. The cubic root of 123722349 is about 498.2906280883.

The spelling of 123722349 in words is "one hundred twenty-three million, seven hundred twenty-two thousand, three hundred forty-nine".