57723343642 has 16 divisors (see below), whose sum is σ = 92636258400. Its totient is φ = 26894395440.

The previous prime is 57723343621. The next prime is 57723343673. The reversal of 57723343642 is 24634332775.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 57723343592 and 57723343601.

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, 12448792 + ... + 12453427.

It is an arithmetic number, because the mean of its divisors is an integer number (5789766150).

Almost surely, 2^57723343642 is an apocalyptic number.

57723343642 is a deficient number, since it is larger than the sum of its proper divisors (34912914758).

57723343642 is a wasteful number, since it uses less digits than its factorization.

57723343642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24902301.

The product of its digits is 2540160, while the sum is 46.

The spelling of 57723343642 in words is "fifty-seven billion, seven hundred twenty-three million, three hundred forty-three thousand, six hundred forty-two".