23356688890 has 16 divisors (see below), whose sum is σ = 42162510600. Its totient is φ = 9315904320.

The previous prime is 23356688867. The next prime is 23356688921. The reversal of 23356688890 is 9888665332.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22560941209 + 795747681 = 150203^2 + 28209^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3342741 + ... + 3349720.

Almost surely, 2^23356688890 is an apocalyptic number.

23356688890 is a deficient number, since it is larger than the sum of its proper divisors (18805821710).

23356688890 is a wasteful number, since it uses less digits than its factorization.

23356688890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6692817.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 23356688890 in words is "twenty-three billion, three hundred fifty-six million, six hundred eighty-eight thousand, eight hundred ninety".