23998202651 has 4 divisors (see below), whose sum is σ = 24034619400. Its totient is φ = 23961785904.

The previous prime is 23998202633. The next prime is 23998202663. The reversal of 23998202651 is 15620289932.

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 23998202651 - 2¹⁰ = 23998201627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23998202596 and 23998202605.

It is not an unprimeable number, because it can be changed into a prime (23998202611) 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, 18207386 + ... + 18208703.

It is an arithmetic number, because the mean of its divisors is an integer number (6008654850).

Almost surely, 2^23998202651 is an apocalyptic number.

23998202651 is a deficient number, since it is larger than the sum of its proper divisors (36416749).

23998202651 is an equidigital number, since it uses as much as digits as its factorization.

23998202651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36416748.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 23998202651 in words is "twenty-three billion, nine hundred ninety-eight million, two hundred two thousand, six hundred fifty-one".