101423101123 has 2 divisors, whose sum is σ = 101423101124. Its totient is φ = 101423101122.

The previous prime is 101423101103. The next prime is 101423101163. The reversal of 101423101123 is 321101324101.

It is a weak prime.

It is an emirp because it is prime and its reverse (321101324101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101423101123 - 2²⁵ = 101389546691 is a prime.

It is a super-2 number, since 2×101423101123² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101423101123.

It is not a weakly prime, because it can be changed into another prime (101423101103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50711550561 + 50711550562.

It is an arithmetic number, because the mean of its divisors is an integer number (50711550562).

Almost surely, 2^101423101123 is an apocalyptic number.

101423101123 is a deficient number, since it is larger than the sum of its proper divisors (1).

101423101123 is an equidigital number, since it uses as much as digits as its factorization.

101423101123 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 19.

Adding to 101423101123 its reverse (321101324101), we get a palindrome (422524425224).

It can be divided in two parts, 10142 and 3101123, that added together give a triangular number (3111265 = T₂₄₉₄).

The spelling of 101423101123 in words is "one hundred one billion, four hundred twenty-three million, one hundred one thousand, one hundred twenty-three".