123200142054 has 16 divisors (see below), whose sum is σ = 268800310080. Its totient is φ = 37333376360.

The previous prime is 123200142049. The next prime is 123200142083. The reversal of 123200142054 is 450241002321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933334344 + ... + 933334475.

It is an arithmetic number, because the mean of its divisors is an integer number (16800019380).

Almost surely, 2^123200142054 is an apocalyptic number.

123200142054 is an abundant number, since it is smaller than the sum of its proper divisors (145600168026).

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

123200142054 is a wasteful number, since it uses less digits than its factorization.

123200142054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866668835.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 123200142054 its reverse (450241002321), we get a palindrome (573441144375).

The spelling of 123200142054 in words is "one hundred twenty-three billion, two hundred million, one hundred forty-two thousand, fifty-four".