123535423 has 16 divisors (see below), whose sum is σ = 136950912. Its totient is φ = 110500000.

The previous prime is 123535387. The next prime is 123535441. The reversal of 123535423 is 324535321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123535423 is a prime.

It is a super-2 number, since 2×123535423² = 30522001471577858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123535391 and 123535400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123535463) 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, 278640 + ... + 279082.

It is an arithmetic number, because the mean of its divisors is an integer number (8559432).

Almost surely, 2^123535423 is an apocalyptic number.

123535423 is a deficient number, since it is larger than the sum of its proper divisors (13415489).

123535423 is a wasteful number, since it uses less digits than its factorization.

123535423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806.

The product of its digits is 10800, while the sum is 28.

The square root of 123535423 is about 11114.6490272973. The cubic root of 123535423 is about 498.0395540160.

The spelling of 123535423 in words is "one hundred twenty-three million, five hundred thirty-five thousand, four hundred twenty-three".