23356738458 has 12 divisors (see below), whose sum is σ = 50606266698. Its totient is φ = 7785579480.

The previous prime is 23356738423. The next prime is 23356738459. The reversal of 23356738458 is 85483765332.

It is a happy number.

23356738458 is a `hidden beast` number, since 2 + 3 + 3 + 567 + 38 + 45 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21029930289 + 2326808169 = 145017^2 + 48237^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23356738459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 648798273 + ... + 648798308.

Almost surely, 2^23356738458 is an apocalyptic number.

23356738458 is an abundant number, since it is smaller than the sum of its proper divisors (27249528240).

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

23356738458 is a wasteful number, since it uses less digits than its factorization.

23356738458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297596589 (or 1297596586 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 23356738458 in words is "twenty-three billion, three hundred fifty-six million, seven hundred thirty-eight thousand, four hundred fifty-eight".