30561057526223 has 4 divisors (see below), whose sum is σ = 34926922887120. Its totient is φ = 26195192165328.

The previous prime is 30561057526189. The next prime is 30561057526249. The reversal of 30561057526223 is 32262575016503.

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 30561057526223 - 2¹⁴ = 30561057509839 is a prime.

It is a super-2 number, since 2×30561057526223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30561057546223) 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, 2182932680438 + ... + 2182932680451.

It is an arithmetic number, because the mean of its divisors is an integer number (8731730721780).

Almost surely, 2^{30561057526223} is an apocalyptic number.

30561057526223 is a deficient number, since it is larger than the sum of its proper divisors (4365865360897).

30561057526223 is an equidigital number, since it uses as much as digits as its factorization.

30561057526223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365865360896.

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 30561057526223 in words is "thirty trillion, five hundred sixty-one billion, fifty-seven million, five hundred twenty-six thousand, two hundred twenty-three".