123510425143155 has 64 divisors (see below), whose sum is σ = 217653253079040. Its totient is φ = 59529345296256.

The previous prime is 123510425143103. The next prime is 123510425143163. The reversal of 123510425143155 is 551341524015321.

It is not a de Polignac number, because 123510425143155 - 2¹⁷ = 123510425012083 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23264847 + ... + 28076216.

It is an arithmetic number, because the mean of its divisors is an integer number (3400832079360).

Almost surely, 2^{123510425143155} is an apocalyptic number.

123510425143155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123510425143155 is a deficient number, since it is larger than the sum of its proper divisors (94142827935885).

123510425143155 is a wasteful number, since it uses less digits than its factorization.

123510425143155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51341480.

The product of its (nonzero) digits is 360000, while the sum is 42.

Adding to 123510425143155 its reverse (551341524015321), we get a palindrome (674851949158476).

The spelling of 123510425143155 in words is "one hundred twenty-three trillion, five hundred ten billion, four hundred twenty-five million, one hundred forty-three thousand, one hundred fifty-five".