101423423123 has 4 divisors (see below), whose sum is σ = 110643734328. Its totient is φ = 92203111920.

The previous prime is 101423423069. The next prime is 101423423159. The reversal of 101423423123 is 321324324101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101423423123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101423423092 and 101423423101.

It is not an unprimeable number, because it can be changed into a prime (101423423623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4610155586 + ... + 4610155607.

It is an arithmetic number, because the mean of its divisors is an integer number (27660933582).

Almost surely, 2^101423423123 is an apocalyptic number.

101423423123 is a deficient number, since it is larger than the sum of its proper divisors (9220311205).

101423423123 is an equidigital number, since it uses as much as digits as its factorization.

101423423123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9220311204.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 101423423123 its reverse (321324324101), we get a palindrome (422747747224).

The spelling of 101423423123 in words is "one hundred one billion, four hundred twenty-three million, four hundred twenty-three thousand, one hundred twenty-three".