23457606642 has 20 divisors (see below), whose sum is σ = 52562415246. Its totient is φ = 7819202160.

The previous prime is 23457606619. The next prime is 23457606647. The reversal of 23457606642 is 24660675432.

23457606642 is a `hidden beast` number, since 2 + 34 + 5 + 7 + 606 + 6 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22668614721 + 788991921 = 150561^2 + 28089^2 .

It is not an unprimeable number, because it can be changed into a prime (23457606647) 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, 72399859 + ... + 72400182.

Almost surely, 2^23457606642 is an apocalyptic number.

23457606642 is an abundant number, since it is smaller than the sum of its proper divisors (29104808604).

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

23457606642 is a wasteful number, since it uses less digits than its factorization.

23457606642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144800055 (or 144800046 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 23457606642 in words is "twenty-three billion, four hundred fifty-seven million, six hundred six thousand, six hundred forty-two".