22340023220423 has 4 divisors (see below), whose sum is σ = 22515928915200. Its totient is φ = 22164117525648.

The previous prime is 22340023220419. The next prime is 22340023220429. The reversal of 22340023220423 is 32402232004322.

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 22340023220423 - 2² = 22340023220419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22340023220429) 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, 87952847198 + ... + 87952847451.

It is an arithmetic number, because the mean of its divisors is an integer number (5628982228800).

Almost surely, 2^{22340023220423} is an apocalyptic number.

22340023220423 is a deficient number, since it is larger than the sum of its proper divisors (175905694777).

22340023220423 is a wasteful number, since it uses less digits than its factorization.

22340023220423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175905694776.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 22340023220423 its reverse (32402232004322), we get a palindrome (54742255224745).

The spelling of 22340023220423 in words is "twenty-two trillion, three hundred forty billion, twenty-three million, two hundred twenty thousand, four hundred twenty-three".