235430405 has 32 divisors (see below), whose sum is σ = 332398080. Its totient is φ = 156718080.

The previous prime is 235430401. The next prime is 235430411. The reversal of 235430405 is 504034532.

It is not a de Polignac number, because 235430405 - 2² = 235430401 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235430401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514937 + ... + 515393.

It is an arithmetic number, because the mean of its divisors is an integer number (10387440).

Almost surely, 2^235430405 is an apocalyptic number.

It is an amenable number.

235430405 is a deficient number, since it is larger than the sum of its proper divisors (96967675).

235430405 is a wasteful number, since it uses less digits than its factorization.

235430405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 235430405 is about 15343.7415580425. The cubic root of 235430405 is about 617.4770916010.

Adding to 235430405 its reverse (504034532), we get a palindrome (739464937).

The spelling of 235430405 in words is "two hundred thirty-five million, four hundred thirty thousand, four hundred five".