233123122031 has 2 divisors, whose sum is σ = 233123122032. Its totient is φ = 233123122030.

The previous prime is 233123122009. The next prime is 233123122073. The reversal of 233123122031 is 130221321332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 233123122031 - 2⁶ = 233123121967 is a prime.

It is a super-2 number, since 2×233123122031² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 233123121988 and 233123122006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233123127031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116561561015 + 116561561016.

It is an arithmetic number, because the mean of its divisors is an integer number (116561561016).

Almost surely, 2^233123122031 is an apocalyptic number.

233123122031 is a deficient number, since it is larger than the sum of its proper divisors (1).

233123122031 is an equidigital number, since it uses as much as digits as its factorization.

233123122031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 233123122031 its reverse (130221321332), we get a palindrome (363344443363).

The spelling of 233123122031 in words is "two hundred thirty-three billion, one hundred twenty-three million, one hundred twenty-two thousand, thirty-one".