123153423 has 16 divisors (see below), whose sum is σ = 174389760. Its totient is φ = 77038976.

The previous prime is 123153379. The next prime is 123153451. The reversal of 123153423 is 324351321.

It is a cyclic number.

It is not a de Polignac number, because 123153423 - 2⁸ = 123153167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123153393 and 123153402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123152423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14218 + ... + 21176.

It is an arithmetic number, because the mean of its divisors is an integer number (10899360).

Almost surely, 2^123153423 is an apocalyptic number.

123153423 is a deficient number, since it is larger than the sum of its proper divisors (51236337).

123153423 is a wasteful number, since it uses less digits than its factorization.

123153423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326.

The product of its digits is 2160, while the sum is 24.

The square root of 123153423 is about 11097.4511938553. The cubic root of 123153423 is about 497.5256729426.

The spelling of 123153423 in words is "one hundred twenty-three million, one hundred fifty-three thousand, four hundred twenty-three".