123230133031 has 2 divisors, whose sum is σ = 123230133032. Its totient is φ = 123230133030.

The previous prime is 123230133023. The next prime is 123230133083. The reversal of 123230133031 is 130331032321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123230133031 - 2³ = 123230133023 is a prime.

It is a super-2 number, since 2×123230133031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123230132993 and 123230133011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123230133731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61615066515 + 61615066516.

It is an arithmetic number, because the mean of its divisors is an integer number (61615066516).

Almost surely, 2^123230133031 is an apocalyptic number.

123230133031 is a deficient number, since it is larger than the sum of its proper divisors (1).

123230133031 is an equidigital number, since it uses as much as digits as its factorization.

123230133031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123230133031 its reverse (130331032321), we get a palindrome (253561165352).

The spelling of 123230133031 in words is "one hundred twenty-three billion, two hundred thirty million, one hundred thirty-three thousand, thirty-one".