123153653 has 12 divisors (see below), whose sum is σ = 142601760. Its totient is φ = 104187096.

The previous prime is 123153619. The next prime is 123153659. The reversal of 123153653 is 356351321.

It is not a de Polignac number, because 123153653 - 2¹⁰ = 123152629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123153659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42278 + ... + 45096.

It is an arithmetic number, because the mean of its divisors is an integer number (11883480).

Almost surely, 2^123153653 is an apocalyptic number.

It is an amenable number.

123153653 is a deficient number, since it is larger than the sum of its proper divisors (19448107).

123153653 is an frugal number, since it uses more digits than its factorization.

123153653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984 (or 2905 counting only the distinct ones).

The product of its digits is 8100, while the sum is 29.

The square root of 123153653 is about 11097.4615565903. The cubic root of 123153653 is about 497.5259826670.

The spelling of 123153653 in words is "one hundred twenty-three million, one hundred fifty-three thousand, six hundred fifty-three".