12423074730428 has 12 divisors (see below), whose sum is σ = 21740433097152. Its totient is φ = 6211522416960.

The previous prime is 12423074730401. The next prime is 12423074730491. The reversal of 12423074730428 is 82403747032421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1749725 + ... + 5282772.

It is an arithmetic number, because the mean of its divisors is an integer number (1811702758096).

Almost surely, 2^{12423074730428} is an apocalyptic number.

It is an amenable number.

12423074730428 is a deficient number, since it is larger than the sum of its proper divisors (9317358366724).

12423074730428 is a wasteful number, since it uses less digits than its factorization.

12423074730428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474132 (or 7474130 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 47.

The spelling of 12423074730428 in words is "twelve trillion, four hundred twenty-three billion, seventy-four million, seven hundred thirty thousand, four hundred twenty-eight".