123412355053 has 8 divisors (see below), whose sum is σ = 135413266968. Its totient is φ = 111769679424.

The previous prime is 123412355047. The next prime is 123412355057. The reversal of 123412355053 is 350553214321.

It can be written as a sum of positive squares in 4 ways, for example, as 5408425764 + 118003929289 = 73542^2 + 343517^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-123412355053 is a prime.

It is a super-3 number, since 3×123412355053³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123412355057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89558350 + ... + 89559727.

It is an arithmetic number, because the mean of its divisors is an integer number (16926658371).

Almost surely, 2^123412355053 is an apocalyptic number.

123412355053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123412355053 is a deficient number, since it is larger than the sum of its proper divisors (12000911915).

123412355053 is a wasteful number, since it uses less digits than its factorization.

123412355053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179118143.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 123412355053 its reverse (350553214321), we get a palindrome (473965569374).

The spelling of 123412355053 in words is "one hundred twenty-three billion, four hundred twelve million, three hundred fifty-five thousand, fifty-three".