110203123123 has 2 divisors, whose sum is σ = 110203123124. Its totient is φ = 110203123122.

The previous prime is 110203123031. The next prime is 110203123181. The reversal of 110203123123 is 321321302011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 110203123123 - 2²¹ = 110201025971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110203123123.

It is not a weakly prime, because it can be changed into another prime (110203126123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55101561561 + 55101561562.

It is an arithmetic number, because the mean of its divisors is an integer number (55101561562).

Almost surely, 2^110203123123 is an apocalyptic number.

110203123123 is a deficient number, since it is larger than the sum of its proper divisors (1).

110203123123 is an equidigital number, since it uses as much as digits as its factorization.

110203123123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 110203123123 its reverse (321321302011), we get a palindrome (431524425134).

The spelling of 110203123123 in words is "one hundred ten billion, two hundred three million, one hundred twenty-three thousand, one hundred twenty-three".