23235400231 has 2 divisors, whose sum is σ = 23235400232. Its totient is φ = 23235400230.

The previous prime is 23235400163. The next prime is 23235400247. The reversal of 23235400231 is 13200453232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23235400231 is a prime.

It is a super-2 number, since 2×23235400231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23235400196 and 23235400205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23235400291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11617700115 + 11617700116.

It is an arithmetic number, because the mean of its divisors is an integer number (11617700116).

Almost surely, 2^23235400231 is an apocalyptic number.

23235400231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23235400231 is an equidigital number, since it uses as much as digits as its factorization.

23235400231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 23235400231 its reverse (13200453232), we get a palindrome (36435853463).

The spelling of 23235400231 in words is "twenty-three billion, two hundred thirty-five million, four hundred thousand, two hundred thirty-one".