30123603485428 has 6 divisors (see below), whose sum is σ = 52716306099506. Its totient is φ = 15061801742712.

The previous prime is 30123603485411. The next prime is 30123603485429. The reversal of 30123603485428 is 82458430632103.

It can be written as a sum of positive squares in only one way, i.e., 29937990719844 + 185612765584 = 5471562^2 + 430828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123603485429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765450435675 + ... + 3765450435682.

Almost surely, 2^{30123603485428} is an apocalyptic number.

It is an amenable number.

30123603485428 is a deficient number, since it is larger than the sum of its proper divisors (22592702614078).

30123603485428 is a wasteful number, since it uses less digits than its factorization.

30123603485428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530900871361 (or 7530900871359 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 30123603485428 in words is "thirty trillion, one hundred twenty-three billion, six hundred three million, four hundred eighty-five thousand, four hundred twenty-eight".