123361153617 has 32 divisors (see below), whose sum is σ = 177866838016. Its totient is φ = 75600993600.

The previous prime is 123361153583. The next prime is 123361153693. The reversal of 123361153617 is 716351163321.

It is not a de Polignac number, because 123361153617 - 2¹² = 123361149521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123361153117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12787998 + ... + 12797640.

It is an arithmetic number, because the mean of its divisors is an integer number (5558338688).

Almost surely, 2^123361153617 is an apocalyptic number.

It is an amenable number.

123361153617 is a deficient number, since it is larger than the sum of its proper divisors (54505684399).

123361153617 is a wasteful number, since it uses less digits than its factorization.

123361153617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10981.

The product of its digits is 68040, while the sum is 39.

The spelling of 123361153617 in words is "one hundred twenty-three billion, three hundred sixty-one million, one hundred fifty-three thousand, six hundred seventeen".