23561402641 has 8 divisors (see below), whose sum is σ = 26928435200. Its totient is φ = 20194649568.

The previous prime is 23561402621. The next prime is 23561402647. The reversal of 23561402641 is 14620416532.

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 23561402641 - 2¹³ = 23561394449 is a prime.

It is a super-2 number, since 2×23561402641² (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 = 23561402597 and 23561402606.

It is not an unprimeable number, because it can be changed into a prime (23561402647) 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, 162160 + ... + 270958.

It is an arithmetic number, because the mean of its divisors is an integer number (3366054400).

Almost surely, 2^23561402641 is an apocalyptic number.

It is an amenable number.

23561402641 is a deficient number, since it is larger than the sum of its proper divisors (3367032559).

23561402641 is a wasteful number, since it uses less digits than its factorization.

23561402641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139743.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 23561402641 in words is "twenty-three billion, five hundred sixty-one million, four hundred two thousand, six hundred forty-one".