123045747534 has 48 divisors (see below), whose sum is σ = 272127025872. Its totient is φ = 40167638784.

The previous prime is 123045747529. The next prime is 123045747541. The reversal of 123045747534 is 435747540321.

It is a happy number.

123045747534 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 4 + 574 + 75 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 123045747534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403942 + ... + 639734.

It is an arithmetic number, because the mean of its divisors is an integer number (5669313039).

Almost surely, 2^123045747534 is an apocalyptic number.

123045747534 is an abundant number, since it is smaller than the sum of its proper divisors (149081278338).

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

123045747534 is a wasteful number, since it uses less digits than its factorization.

123045747534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236401 (or 236398 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

The spelling of 123045747534 in words is "one hundred twenty-three billion, forty-five million, seven hundred forty-seven thousand, five hundred thirty-four".