123150315 has 16 divisors (see below), whose sum is σ = 198349056. Its totient is φ = 65244000.

The previous prime is 123150311. The next prime is 123150331. The reversal of 123150315 is 513051321.

It is not a de Polignac number, because 123150315 - 2² = 123150311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123150291 and 123150300.

It is not an unprimeable number, because it can be changed into a prime (123150311) 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 15 ways as a sum of consecutive naturals, for example, 24921 + ... + 29450.

It is an arithmetic number, because the mean of its divisors is an integer number (12396816).

Almost surely, 2^123150315 is an apocalyptic number.

123150315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123150315 is a deficient number, since it is larger than the sum of its proper divisors (75198741).

123150315 is a wasteful number, since it uses less digits than its factorization.

123150315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54530.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 123150315 is about 11097.3111608173. The cubic root of 123150315 is about 497.5214875865.

The spelling of 123150315 in words is "one hundred twenty-three million, one hundred fifty thousand, three hundred fifteen".