23998170514321 has 4 divisors (see below), whose sum is σ = 23999990362992. Its totient is φ = 23996350665652.

The previous prime is 23998170514319. The next prime is 23998170514327. The reversal of 23998170514321 is 12341507189932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23998170514321 - 2¹ = 23998170514319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23998170514327) 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, 909904555 + ... + 909930928.

It is an arithmetic number, because the mean of its divisors is an integer number (5999997590748).

Almost surely, 2^{23998170514321} is an apocalyptic number.

It is an amenable number.

23998170514321 is a deficient number, since it is larger than the sum of its proper divisors (1819848671).

23998170514321 is a wasteful number, since it uses less digits than its factorization.

23998170514321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819848670.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 23998170514321 in words is "twenty-three trillion, nine hundred ninety-eight billion, one hundred seventy million, five hundred fourteen thousand, three hundred twenty-one".