23135777474 has 8 divisors (see below), whose sum is σ = 34803104700. Its totient is φ = 11534742576.

The previous prime is 23135777461. The next prime is 23135777477. The reversal of 23135777474 is 47477753132.

It can be written as a sum of positive squares in 2 ways, for example, as 22987108225 + 148669249 = 151615^2 + 12193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23135777477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16572209 + ... + 16573604.

Almost surely, 2^23135777474 is an apocalyptic number.

23135777474 is a deficient number, since it is larger than the sum of its proper divisors (11667327226).

23135777474 is a wasteful number, since it uses less digits than its factorization.

23135777474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33146164.

The product of its digits is 3457440, while the sum is 50.

The spelling of 23135777474 in words is "twenty-three billion, one hundred thirty-five million, seven hundred seventy-seven thousand, four hundred seventy-four".