123041355554 has 64 divisors (see below), whose sum is σ = 208727995392. Its totient is φ = 54012096000.

The previous prime is 123041355553. The next prime is 123041355557. The reversal of 123041355554 is 455553140321.

It is not an unprimeable number, because it can be changed into a prime (123041355553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68317454 + ... + 68319254.

It is an arithmetic number, because the mean of its divisors is an integer number (3261374928).

Almost surely, 2^123041355554 is an apocalyptic number.

123041355554 is a deficient number, since it is larger than the sum of its proper divisors (85686639838).

123041355554 is a wasteful number, since it uses less digits than its factorization.

123041355554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 123041355554 its reverse (455553140321), we get a palindrome (578594495875).

The spelling of 123041355554 in words is "one hundred twenty-three billion, forty-one million, three hundred fifty-five thousand, five hundred fifty-four".