23727034642 has 8 divisors (see below), whose sum is σ = 36458614332. Its totient is φ = 11574163200.

The previous prime is 23727034637. The next prime is 23727034651. The reversal of 23727034642 is 24643072732.

It can be written as a sum of positive squares in 2 ways, for example, as 16009587841 + 7717446801 = 126529^2 + 87849^2 .

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

It is a super-3 number, since 3×23727034642³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23727034595 and 23727034604.

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, 144676959 + ... + 144677122.

Almost surely, 2^23727034642 is an apocalyptic number.

23727034642 is a deficient number, since it is larger than the sum of its proper divisors (12731579690).

23727034642 is a wasteful number, since it uses less digits than its factorization.

23727034642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289354124.

The product of its (nonzero) digits is 338688, while the sum is 40.

The spelling of 23727034642 in words is "twenty-three billion, seven hundred twenty-seven million, thirty-four thousand, six hundred forty-two".