123053403420554 has 32 divisors (see below), whose sum is σ = 185704129662480. Its totient is φ = 61152993943552.

The previous prime is 123053403420529. The next prime is 123053403420557. The reversal of 123053403420554 is 455024304350321.

It can be written as a sum of positive squares in 8 ways, for example, as 1429495228225 + 121623908192329 = 1195615^2 + 11028323^2 .

It is a super-2 number, since 2×123053403420554² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123053403420557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3801565682 + ... + 3801598050.

Almost surely, 2^{123053403420554} is an apocalyptic number.

123053403420554 is a deficient number, since it is larger than the sum of its proper divisors (62650726241926).

123053403420554 is a wasteful number, since it uses less digits than its factorization.

123053403420554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46954.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 123053403420554 its reverse (455024304350321), we get a palindrome (578077707770875).

The spelling of 123053403420554 in words is "one hundred twenty-three trillion, fifty-three billion, four hundred three million, four hundred twenty thousand, five hundred fifty-four".