123242201142 has 16 divisors (see below), whose sum is σ = 246493158912. Its totient is φ = 41079274280.

The previous prime is 123242201119. The next prime is 123242201189. The reversal of 123242201142 is 241102242321.

123242201142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123242201142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174234 + ... + 526157.

It is an arithmetic number, because the mean of its divisors is an integer number (15405822432).

Almost surely, 2^123242201142 is an apocalyptic number.

123242201142 is an abundant number, since it is smaller than the sum of its proper divisors (123250957770).

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

123242201142 is a wasteful number, since it uses less digits than its factorization.

123242201142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729723.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 123242201142 its reverse (241102242321), we get a palindrome (364344443463).

The spelling of 123242201142 in words is "one hundred twenty-three billion, two hundred forty-two million, two hundred one thousand, one hundred forty-two".