22523000345436 has 12 divisors (see below), whose sum is σ = 52553667472712. Its totient is φ = 7507666781808.

The previous prime is 22523000345389. The next prime is 22523000345441. The reversal of 22523000345436 is 63454300032522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 22523000345394 and 22523000345403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938458347715 + ... + 938458347738.

Almost surely, 2^{22523000345436} is an apocalyptic number.

It is an amenable number.

22523000345436 is an abundant number, since it is smaller than the sum of its proper divisors (30030667127276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22523000345436 is a wasteful number, since it uses less digits than its factorization.

22523000345436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876916695460 (or 1876916695458 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 39.

Adding to 22523000345436 its reverse (63454300032522), we get a palindrome (85977300377958).

The spelling of 22523000345436 in words is "twenty-two trillion, five hundred twenty-three billion, three hundred forty-five thousand, four hundred thirty-six".