123300435220550 has 192 divisors, whose sum is σ = 280954756030464. Its totient is φ = 39334334054400.

The previous prime is 123300435220537. The next prime is 123300435220561. The reversal of 123300435220550 is 55022534003321.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 123300435220550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1334619659 + ... + 1334712041.

It is an arithmetic number, because the mean of its divisors is an integer number (1463306020992).

Almost surely, 2^{123300435220550} is an apocalyptic number.

123300435220550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123300435220550 is an abundant number, since it is smaller than the sum of its proper divisors (157654320809914).

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

123300435220550 is a wasteful number, since it uses less digits than its factorization.

123300435220550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96943 (or 96938 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 123300435220550 its reverse (55022534003321), we get a palindrome (178322969223871).

The spelling of 123300435220550 in words is "one hundred twenty-three trillion, three hundred billion, four hundred thirty-five million, two hundred twenty thousand, five hundred fifty".