101423121803 has 2 divisors, whose sum is σ = 101423121804. Its totient is φ = 101423121802.

The previous prime is 101423121799. The next prime is 101423121853. The reversal of 101423121803 is 308121324101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101423121803 - 2² = 101423121799 is a prime.

It is not a weakly prime, because it can be changed into another prime (101423121853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50711560901 + 50711560902.

It is an arithmetic number, because the mean of its divisors is an integer number (50711560902).

Almost surely, 2^101423121803 is an apocalyptic number.

101423121803 is a deficient number, since it is larger than the sum of its proper divisors (1).

101423121803 is an equidigital number, since it uses as much as digits as its factorization.

101423121803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 101423121803 its reverse (308121324101), we get a palindrome (409544445904).

The spelling of 101423121803 in words is "one hundred one billion, four hundred twenty-three million, one hundred twenty-one thousand, eight hundred three".