1657352008423 has 4 divisors (see below), whose sum is σ = 1657880335440. Its totient is φ = 1656823681408.

The previous prime is 1657352008331. The next prime is 1657352008439. The reversal of 1657352008423 is 3248002537561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1657352008423 - 2²⁹ = 1656815137511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1657352068423) 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, 264158803 + ... + 264165076.

It is an arithmetic number, because the mean of its divisors is an integer number (414470083860).

Almost surely, 2^{1657352008423} is an apocalyptic number.

1657352008423 is a deficient number, since it is larger than the sum of its proper divisors (528327017).

1657352008423 is an equidigital number, since it uses as much as digits as its factorization.

1657352008423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528327016.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 1657352008423 in words is "one trillion, six hundred fifty-seven billion, three hundred fifty-two million, eight thousand, four hundred twenty-three".