23529823961 has 6 divisors (see below), whose sum is σ = 27371427930. Its totient is φ = 20168420496.

The previous prime is 23529823943. The next prime is 23529823963. The reversal of 23529823961 is 16932892532.

It can be written as a sum of positive squares in only one way, i.e., 19375248025 + 4154575936 = 139195^2 + 64456^2 .

It is not a de Polignac number, because 23529823961 - 2²² = 23525629657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23529823963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240100196 + ... + 240100293.

It is an arithmetic number, because the mean of its divisors is an integer number (4561904655).

Almost surely, 2^23529823961 is an apocalyptic number.

It is an amenable number.

23529823961 is a deficient number, since it is larger than the sum of its proper divisors (3841603969).

23529823961 is an equidigital number, since it uses as much as digits as its factorization.

23529823961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480200503 (or 480200496 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 50.

The spelling of 23529823961 in words is "twenty-three billion, five hundred twenty-nine million, eight hundred twenty-three thousand, nine hundred sixty-one".