123151313 has 8 divisors (see below), whose sum is σ = 131508480. Its totient is φ = 115068240.

The previous prime is 123151309. The next prime is 123151319. The reversal of 123151313 is 313151321.

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

It is a cyclic number.

It is not a de Polignac number, because 123151313 - 2² = 123151309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123151319) 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, 67595 + ... + 69392.

It is an arithmetic number, because the mean of its divisors is an integer number (16438560).

Almost surely, 2^123151313 is an apocalyptic number.

It is an amenable number.

123151313 is a deficient number, since it is larger than the sum of its proper divisors (8357167).

123151313 is a wasteful number, since it uses less digits than its factorization.

123151313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137047.

The product of its digits is 270, while the sum is 20.

The square root of 123151313 is about 11097.3561265736. The cubic root of 123151313 is about 497.5228315406.

The spelling of 123151313 in words is "one hundred twenty-three million, one hundred fifty-one thousand, three hundred thirteen".