30923572841 has 12 divisors (see below), whose sum is σ = 36880462272. Its totient is φ = 25351658904.

The previous prime is 30923572831. The next prime is 30923572853. The reversal of 30923572841 is 14827532903.

It is a happy number.

It is not a de Polignac number, because 30923572841 - 2²⁶ = 30856463977 is a prime.

It is a super-2 number, since 2×30923572841² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30923572792 and 30923572801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30923572831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2224370 + ... + 2238228.

It is an arithmetic number, because the mean of its divisors is an integer number (3073371856).

Almost surely, 2^30923572841 is an apocalyptic number.

It is an amenable number.

30923572841 is a deficient number, since it is larger than the sum of its proper divisors (5956889431).

30923572841 is an frugal number, since it uses more digits than its factorization.

30923572841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27748 (or 13889 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 30923572841 in words is "thirty billion, nine hundred twenty-three million, five hundred seventy-two thousand, eight hundred forty-one".