123351045 has 16 divisors (see below), whose sum is σ = 197795520. Its totient is φ = 65642624.

The previous prime is 123351023. The next prime is 123351061. The reversal of 123351045 is 540153321.

It is a cyclic number.

It is not a de Polignac number, because 123351045 - 2⁵ = 123351013 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1800 + ... + 15809.

It is an arithmetic number, because the mean of its divisors is an integer number (12362220).

Almost surely, 2^123351045 is an apocalyptic number.

123351045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123351045 is a deficient number, since it is larger than the sum of its proper divisors (74444475).

123351045 is a wasteful number, since it uses less digits than its factorization.

123351045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18084.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 123351045 is about 11106.3515611563. The cubic root of 123351045 is about 497.7916541097.

The spelling of 123351045 in words is "one hundred twenty-three million, three hundred fifty-one thousand, forty-five".