123053645 has 32 divisors (see below), whose sum is σ = 176480640. Its totient is φ = 81181440.

The previous prime is 123053627. The next prime is 123053683. The reversal of 123053645 is 546350321.

It is not a de Polignac number, because 123053645 - 2²⁰ = 122005069 is a prime.

It is a super-3 number, since 3×123053645³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40727 + ... + 43643.

It is an arithmetic number, because the mean of its divisors is an integer number (5515020).

Almost surely, 2^123053645 is an apocalyptic number.

It is an amenable number.

123053645 is a deficient number, since it is larger than the sum of its proper divisors (53426995).

123053645 is a wasteful number, since it uses less digits than its factorization.

123053645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 123053645 is about 11092.9547461441. The cubic root of 123053645 is about 497.3912727558.

The spelling of 123053645 in words is "one hundred twenty-three million, fifty-three thousand, six hundred forty-five".