123536023 has 8 divisors (see below), whose sum is σ = 137330816. Its totient is φ = 110354400.

The previous prime is 123535987. The next prime is 123536047. The reversal of 123536023 is 320635321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-123536023 is a prime.

It is a super-2 number, since 2×123536023² = 30522297957313058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123536053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152868 + ... + 153673.

It is an arithmetic number, because the mean of its divisors is an integer number (17166352).

Almost surely, 2^123536023 is an apocalyptic number.

123536023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123536023 is a deficient number, since it is larger than the sum of its proper divisors (13794793).

123536023 is a wasteful number, since it uses less digits than its factorization.

123536023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306585.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 123536023 is about 11114.6760186701. The cubic root of 123536023 is about 498.0403603252.

The spelling of 123536023 in words is "one hundred twenty-three million, five hundred thirty-six thousand, twenty-three".