1210023200123 has 2 divisors, whose sum is σ = 1210023200124. Its totient is φ = 1210023200122.

The previous prime is 1210023200069. The next prime is 1210023200129. The reversal of 1210023200123 is 3210023200121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1210023200123 - 2⁸ = 1210023199867 is a prime.

It is a super-2 number, since 2×1210023200123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1210023200129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605011600061 + 605011600062.

It is an arithmetic number, because the mean of its divisors is an integer number (605011600062).

Almost surely, 2^{1210023200123} is an apocalyptic number.

1210023200123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210023200123 is an equidigital number, since it uses as much as digits as its factorization.

1210023200123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1210023200123 its reverse (3210023200121), we get a palindrome (4420046400244).

The spelling of 1210023200123 in words is "one trillion, two hundred ten billion, twenty-three million, two hundred thousand, one hundred twenty-three".