23509484226 has 20 divisors (see below), whose sum is σ = 52678659462. Its totient is φ = 7836494688.

The previous prime is 23509484183. The next prime is 23509484227. The reversal of 23509484226 is 62248490532.

It can be written as a sum of positive squares in only one way, i.e., 12869768025 + 10639716201 = 113445^2 + 103149^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23509484227) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 72559975 + ... + 72560298.

Almost surely, 2^23509484226 is an apocalyptic number.

23509484226 is an abundant number, since it is smaller than the sum of its proper divisors (29169175236).

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

23509484226 is a wasteful number, since it uses less digits than its factorization.

23509484226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145120287 (or 145120278 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 23509484226 in words is "twenty-three billion, five hundred nine million, four hundred eighty-four thousand, two hundred twenty-six".