235405463231 has 2 divisors, whose sum is σ = 235405463232. Its totient is φ = 235405463230.

The previous prime is 235405463221. The next prime is 235405463257. The reversal of 235405463231 is 132364504532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 235405463231 - 2¹⁴ = 235405446847 is a prime.

It is a super-2 number, since 2×235405463231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235405463201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117702731615 + 117702731616.

It is an arithmetic number, because the mean of its divisors is an integer number (117702731616).

Almost surely, 2^235405463231 is an apocalyptic number.

235405463231 is a deficient number, since it is larger than the sum of its proper divisors (1).

235405463231 is an equidigital number, since it uses as much as digits as its factorization.

235405463231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 235405463231 its reverse (132364504532), we get a palindrome (367769967763).

The spelling of 235405463231 in words is "two hundred thirty-five billion, four hundred five million, four hundred sixty-three thousand, two hundred thirty-one".