123464543641445 has 8 divisors (see below), whose sum is σ = 148158391420536. Its totient is φ = 98771008879296.

The previous prime is 123464543641403. The next prime is 123464543641529. The reversal of 123464543641445 is 544146345464321.

It can be written as a sum of positive squares in 4 ways, for example, as 48673491736321 + 74791051905124 = 6976639^2 + 8648182^2 .

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 123464543641445 - 2¹⁰ = 123464543640421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77385602 + ... + 78964931.

It is an arithmetic number, because the mean of its divisors is an integer number (18519798927567).

Almost surely, 2^{123464543641445} is an apocalyptic number.

It is an amenable number.

123464543641445 is a deficient number, since it is larger than the sum of its proper divisors (24693847779091).

123464543641445 is a wasteful number, since it uses less digits than its factorization.

123464543641445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156508471.

The product of its digits is 66355200, while the sum is 56.

The spelling of 123464543641445 in words is "one hundred twenty-three trillion, four hundred sixty-four billion, five hundred forty-three million, six hundred forty-one thousand, four hundred forty-five".