30347020571123 has 4 divisors (see below), whose sum is σ = 30347167429488. Its totient is φ = 30346873712760.

The previous prime is 30347020571051. The next prime is 30347020571173. The reversal of 30347020571123 is 32117502074303.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30347020571123 - 2¹² = 30347020567027 is a prime.

It is a super-2 number, since 2×30347020571123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30347020571173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73118783 + ... + 73532648.

It is an arithmetic number, because the mean of its divisors is an integer number (7586791857372).

Almost surely, 2^{30347020571123} is an apocalyptic number.

30347020571123 is a deficient number, since it is larger than the sum of its proper divisors (146858365).

30347020571123 is a wasteful number, since it uses less digits than its factorization.

30347020571123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146858364.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 30347020571123 in words is "thirty trillion, three hundred forty-seven billion, twenty million, five hundred seventy-one thousand, one hundred twenty-three".