123021412331 has 2 divisors, whose sum is σ = 123021412332. Its totient is φ = 123021412330.

The previous prime is 123021412313. The next prime is 123021412433. The reversal of 123021412331 is 133214120321.

Together with previous prime (123021412313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123021412331 - 2²⁶ = 122954303467 is a prime.

It is a super-2 number, since 2×123021412331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123021412297 and 123021412306.

It is not a weakly prime, because it can be changed into another prime (123021412301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61510706165 + 61510706166.

It is an arithmetic number, because the mean of its divisors is an integer number (61510706166).

Almost surely, 2^123021412331 is an apocalyptic number.

123021412331 is a deficient number, since it is larger than the sum of its proper divisors (1).

123021412331 is an equidigital number, since it uses as much as digits as its factorization.

123021412331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 123021412331 its reverse (133214120321), we get a palindrome (256235532652).

The spelling of 123021412331 in words is "one hundred twenty-three billion, twenty-one million, four hundred twelve thousand, three hundred thirty-one".