123951338 has 16 divisors (see below), whose sum is σ = 212756544. Its totient is φ = 53054880.

The previous prime is 123951337. The next prime is 123951371. The reversal of 123951338 is 833159321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123951298 and 123951307.

It is not an unprimeable number, because it can be changed into a prime (123951337) 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, 6833 + ... + 17163.

It is an arithmetic number, because the mean of its divisors is an integer number (13297284).

Almost surely, 2^123951338 is an apocalyptic number.

123951338 is a deficient number, since it is larger than the sum of its proper divisors (88805206).

123951338 is a wasteful number, since it uses less digits than its factorization.

123951338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11197.

The product of its digits is 19440, while the sum is 35.

The square root of 123951338 is about 11133.3435229494. The cubic root of 123951338 is about 498.5978556580.

The spelling of 123951338 in words is "one hundred twenty-three million, nine hundred fifty-one thousand, three hundred thirty-eight".