123053435211551 has 8 divisors (see below), whose sum is σ = 133885260199824. Its totient is φ = 112416778241280.

The previous prime is 123053435211523. The next prime is 123053435211593. The reversal of 123053435211551 is 155112534350321.

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

It is a cyclic number.

It is not a de Polignac number, because 123053435211551 - 2⁴² = 118655388700447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123053435211499 and 123053435211508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123053435261551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48792003185 + ... + 48792005706.

It is an arithmetic number, because the mean of its divisors is an integer number (16735657524978).

Almost surely, 2^{123053435211551} is an apocalyptic number.

123053435211551 is a deficient number, since it is larger than the sum of its proper divisors (10831824988273).

123053435211551 is an equidigital number, since it uses as much as digits as its factorization.

123053435211551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97584009001.

The product of its (nonzero) digits is 270000, while the sum is 41.

Adding to 123053435211551 its reverse (155112534350321), we get a palindrome (278165969561872).

The spelling of 123053435211551 in words is "one hundred twenty-three trillion, fifty-three billion, four hundred thirty-five million, two hundred eleven thousand, five hundred fifty-one".