123448515 has 8 divisors (see below), whose sum is σ = 197517648. Its totient is φ = 65839200.

The previous prime is 123448511. The next prime is 123448531. The reversal of 123448515 is 515844321.

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

It is not a de Polignac number, because 123448515 - 2² = 123448511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123448511) 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, 4114936 + ... + 4114965.

It is an arithmetic number, because the mean of its divisors is an integer number (24689706).

Almost surely, 2^123448515 is an apocalyptic number.

123448515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123448515 is a deficient number, since it is larger than the sum of its proper divisors (74069133).

123448515 is an equidigital number, since it uses as much as digits as its factorization.

123448515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8229909.

The product of its digits is 19200, while the sum is 33.

The square root of 123448515 is about 11110.7387243153. The cubic root of 123448515 is about 497.9227352267.

The spelling of 123448515 in words is "one hundred twenty-three million, four hundred forty-eight thousand, five hundred fifteen".