22323423030442 has 4 divisors (see below), whose sum is σ = 33485134545666. Its totient is φ = 11161711515220.

The previous prime is 22323423030397. The next prime is 22323423030523. The reversal of 22323423030442 is 24403032432322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21711396883401 + 612026147041 = 4659549^2 + 782321^2 .

It is a super-3 number, since 3×22323423030442³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22323423030398 and 22323423030407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580855757609 + ... + 5580855757612.

Almost surely, 2^{22323423030442} is an apocalyptic number.

22323423030442 is a deficient number, since it is larger than the sum of its proper divisors (11161711515224).

22323423030442 is a wasteful number, since it uses less digits than its factorization.

22323423030442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161711515223.

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 22323423030442 its reverse (24403032432322), we get a palindrome (46726455462764).

The spelling of 22323423030442 in words is "twenty-two trillion, three hundred twenty-three billion, four hundred twenty-three million, thirty thousand, four hundred forty-two".