123819048 has 48 divisors (see below), whose sum is σ = 352996800. Its totient is φ = 39100320.

The previous prime is 123819043. The next prime is 123819071. The reversal of 123819048 is 840918321.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (123819043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43888 + ... + 46623.

It is an arithmetic number, because the mean of its divisors is an integer number (7354100).

Almost surely, 2^123819048 is an apocalyptic number.

123819048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

123819048 is an abundant number, since it is smaller than the sum of its proper divisors (229177752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123819048 is a wasteful number, since it uses less digits than its factorization.

123819048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90542 (or 90535 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 123819048 is about 11127.4007746643. The cubic root of 123819048 is about 498.4204123943.

The spelling of 123819048 in words is "one hundred twenty-three million, eight hundred nineteen thousand, forty-eight".