23030202641561 has 8 divisors (see below), whose sum is σ = 23787724080384. Its totient is φ = 22273594432560.

The previous prime is 23030202641441. The next prime is 23030202641569. The reversal of 23030202641561 is 16514620203032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23030202641561 - 2¹⁸ = 23030202379417 is a prime.

It is a super-2 number, since 2×23030202641561² (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 (23030202641569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228256190 + ... + 228357063.

It is an arithmetic number, because the mean of its divisors is an integer number (2973465510048).

Almost surely, 2^{23030202641561} is an apocalyptic number.

It is an amenable number.

23030202641561 is a deficient number, since it is larger than the sum of its proper divisors (757521438823).

23030202641561 is a wasteful number, since it uses less digits than its factorization.

23030202641561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456614911.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 23030202641561 its reverse (16514620203032), we get a palindrome (39544822844593).

The spelling of 23030202641561 in words is "twenty-three trillion, thirty billion, two hundred two million, six hundred forty-one thousand, five hundred sixty-one".