123243054 has 16 divisors (see below), whose sum is σ = 268894080. Its totient is φ = 37346360.

The previous prime is 123243049. The next prime is 123243077. The reversal of 123243054 is 450342321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933594 + ... + 933725.

It is an arithmetic number, because the mean of its divisors is an integer number (16805880).

Almost surely, 2^123243054 is an apocalyptic number.

123243054 is an abundant number, since it is smaller than the sum of its proper divisors (145651026).

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

123243054 is a wasteful number, since it uses less digits than its factorization.

123243054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867335.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 123243054 is about 11101.4888190729. The cubic root of 123243054 is about 497.6463433185.

Adding to 123243054 its reverse (450342321), we get a palindrome (573585375).

The spelling of 123243054 in words is "one hundred twenty-three million, two hundred forty-three thousand, fifty-four".