123201522943 has 2 divisors, whose sum is σ = 123201522944. Its totient is φ = 123201522942.

The previous prime is 123201522911. The next prime is 123201522947. The reversal of 123201522943 is 349225102321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123201522943 - 2⁵ = 123201522911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123201522899 and 123201522908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123201522947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600761471 + 61600761472.

It is an arithmetic number, because the mean of its divisors is an integer number (61600761472).

Almost surely, 2^123201522943 is an apocalyptic number.

123201522943 is a deficient number, since it is larger than the sum of its proper divisors (1).

123201522943 is an equidigital number, since it uses as much as digits as its factorization.

123201522943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 123201522943 in words is "one hundred twenty-three billion, two hundred one million, five hundred twenty-two thousand, nine hundred forty-three".