123142130501 has 8 divisors (see below), whose sum is σ = 132644865024. Its totient is φ = 113643719280.

The previous prime is 123142130491. The next prime is 123142130513. The reversal of 123142130501 is 105031241321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123142130501 - 2⁶ = 123142130437 is a prime.

It is a super-2 number, since 2×123142130501² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123142150501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021541 + ... + 1135706.

It is an arithmetic number, because the mean of its divisors is an integer number (16580608128).

Almost surely, 2^123142130501 is an apocalyptic number.

It is an amenable number.

123142130501 is a deficient number, since it is larger than the sum of its proper divisors (9502734523).

123142130501 is a wasteful number, since it uses less digits than its factorization.

123142130501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161651.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 123142130501 its reverse (105031241321), we get a palindrome (228173371822).

The spelling of 123142130501 in words is "one hundred twenty-three billion, one hundred forty-two million, one hundred thirty thousand, five hundred one".