123734747541 has 16 divisors (see below), whose sum is σ = 168507360000. Its totient is φ = 80726347968.

The previous prime is 123734747531. The next prime is 123734747561. The reversal of 123734747541 is 145747437321.

It is not a de Polignac number, because 123734747541 - 2⁵ = 123734747509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123734747531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1503735 + ... + 1583883.

It is an arithmetic number, because the mean of its divisors is an integer number (10531710000).

Almost surely, 2^123734747541 is an apocalyptic number.

It is an amenable number.

123734747541 is a deficient number, since it is larger than the sum of its proper divisors (44772612459).

123734747541 is a wasteful number, since it uses less digits than its factorization.

123734747541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91148.

The product of its digits is 1975680, while the sum is 48.

The spelling of 123734747541 in words is "one hundred twenty-three billion, seven hundred thirty-four million, seven hundred forty-seven thousand, five hundred forty-one".