23220214434251 has 4 divisors (see below), whose sum is σ = 23330262844104. Its totient is φ = 23110166024400.

The previous prime is 23220214434247. The next prime is 23220214434343. The reversal of 23220214434251 is 15243441202232.

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 23220214434251 - 2² = 23220214434247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23220214431251) 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 3 ways as a sum of consecutive naturals, for example, 55024204610 + ... + 55024205031.

It is an arithmetic number, because the mean of its divisors is an integer number (5832565711026).

Almost surely, 2^{23220214434251} is an apocalyptic number.

23220214434251 is a deficient number, since it is larger than the sum of its proper divisors (110048409853).

23220214434251 is a wasteful number, since it uses less digits than its factorization.

23220214434251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110048409852.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 23220214434251 its reverse (15243441202232), we get a palindrome (38463655636483).

The spelling of 23220214434251 in words is "twenty-three trillion, two hundred twenty billion, two hundred fourteen million, four hundred thirty-four thousand, two hundred fifty-one".