123101101134 has 64 divisors (see below), whose sum is σ = 299616226560. Its totient is φ = 37154700000.

The previous prime is 123101101093. The next prime is 123101101139. The reversal of 123101101134 is 431101101321.

It is a happy number.

It is a super-2 number, since 2×123101101134² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123101101139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263737 + ... + 561924.

It is an arithmetic number, because the mean of its divisors is an integer number (4681503540).

Almost surely, 2^123101101134 is an apocalyptic number.

123101101134 is an abundant number, since it is smaller than the sum of its proper divisors (176515125426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123101101134 is a wasteful number, since it uses less digits than its factorization.

123101101134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825934 (or 825928 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 123101101134 its reverse (431101101321), we get a palindrome (554202202455).

The spelling of 123101101134 in words is "one hundred twenty-three billion, one hundred one million, one hundred one thousand, one hundred thirty-four".