235206423 has 40 divisors (see below), whose sum is σ = 360456096. Its totient is φ = 152798400.

The previous prime is 235206403. The next prime is 235206427. The reversal of 235206423 is 324602532.

235206423 is a `hidden beast` number, since 2 + 35 + 206 + 423 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-235206423 is a prime.

It is a super-2 number, since 2×235206423² = 110644122840909858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235206427) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 894190 + ... + 894452.

Almost surely, 2^235206423 is an apocalyptic number.

235206423 is a deficient number, since it is larger than the sum of its proper divisors (125249673).

235206423 is a wasteful number, since it uses less digits than its factorization.

235206423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 235206423 is about 15336.4410147857. The cubic root of 235206423 is about 617.2812125731.

Adding to 235206423 its reverse (324602532), we get a palindrome (559808955).

The spelling of 235206423 in words is "two hundred thirty-five million, two hundred six thousand, four hundred twenty-three".