123255450554 has 8 divisors (see below), whose sum is σ = 184885277268. Its totient is φ = 61627024800.

The previous prime is 123255450553. The next prime is 123255450581. The reversal of 123255450554 is 455054552321.

It can be written as a sum of positive squares in 2 ways, for example, as 123255059929 + 390625 = 351077^2 + 625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (123255450553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92297 + ... + 505004.

Almost surely, 2^123255450554 is an apocalyptic number.

123255450554 is a deficient number, since it is larger than the sum of its proper divisors (61629826714).

123255450554 is a wasteful number, since it uses less digits than its factorization.

123255450554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700480.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 123255450554 in words is "one hundred twenty-three billion, two hundred fifty-five million, four hundred fifty thousand, five hundred fifty-four".