123231223101442 has 16 divisors (see below), whose sum is σ = 185063940598680. Its totient is φ = 61543244003328.

The previous prime is 123231223101353. The next prime is 123231223101451. The reversal of 123231223101442 is 244101322132321.

123231223101442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 121790404585161 + 1440818516281 = 11035869^2 + 1200341^2 .

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, 366931534 + ... + 367267222.

Almost surely, 2^{123231223101442} is an apocalyptic number.

123231223101442 is a deficient number, since it is larger than the sum of its proper divisors (61832717497238).

123231223101442 is a wasteful number, since it uses less digits than its factorization.

123231223101442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550725.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 123231223101442 its reverse (244101322132321), we get a palindrome (367332545233763).

The spelling of 123231223101442 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, two hundred twenty-three million, one hundred one thousand, four hundred forty-two".