30123554055302 has 4 divisors (see below), whose sum is σ = 45185331082956. Its totient is φ = 15061777027650.

The previous prime is 30123554055299. The next prime is 30123554055307. The reversal of 30123554055302 is 20355045532103.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×30123554055302² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123554055307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7530888513824 + ... + 7530888513827.

It is an arithmetic number, because the mean of its divisors is an integer number (11296332770739).

Almost surely, 2^{30123554055302} is an apocalyptic number.

30123554055302 is a deficient number, since it is larger than the sum of its proper divisors (15061777027654).

30123554055302 is a wasteful number, since it uses less digits than its factorization.

30123554055302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15061777027653.

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 30123554055302 its reverse (20355045532103), we get a palindrome (50478599587405).

The spelling of 30123554055302 in words is "thirty trillion, one hundred twenty-three billion, five hundred fifty-four million, fifty-five thousand, three hundred two".