123461273016 has 96 divisors (see below), whose sum is σ = 337265510400. Its totient is φ = 40798416960.

The previous prime is 123461273009. The next prime is 123461273017. The reversal of 123461273016 is 610372164321.

123461273016 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 612 + 7 + 30 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123461273017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13995055 + ... + 14003873.

It is an arithmetic number, because the mean of its divisors is an integer number (3513182400).

Almost surely, 2^123461273016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123461273016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168632755200).

123461273016 is an abundant number, since it is smaller than the sum of its proper divisors (213804237384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123461273016 is a wasteful number, since it uses less digits than its factorization.

123461273016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10489 (or 10482 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 123461273016 in words is "one hundred twenty-three billion, four hundred sixty-one million, two hundred seventy-three thousand, sixteen".