22520335423 has 8 divisors (see below), whose sum is σ = 23541063680. Its totient is φ = 21517998840.

The previous prime is 22520335379. The next prime is 22520335441. The reversal of 22520335423 is 32453302522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22520335423 - 2¹³ = 22520327231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22520335463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4595415 + ... + 4600312.

It is an arithmetic number, because the mean of its divisors is an integer number (2942632960).

Almost surely, 2^22520335423 is an apocalyptic number.

22520335423 is a deficient number, since it is larger than the sum of its proper divisors (1020728257).

22520335423 is an equidigital number, since it uses as much as digits as its factorization.

22520335423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9195837.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 22520335423 its reverse (32453302522), we get a palindrome (54973637945).

The spelling of 22520335423 in words is "twenty-two billion, five hundred twenty million, three hundred thirty-five thousand, four hundred twenty-three".