2657457137423 has 16 divisors (see below), whose sum is σ = 2966267606400. Its totient is φ = 2360352998880.

The previous prime is 2657457137417. The next prime is 2657457137431. The reversal of 2657457137423 is 3247317547562.

It is a cyclic number.

It is not a de Polignac number, because 2657457137423 - 2²⁸ = 2657188701967 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 (2657457137443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12454628 + ... + 12666201.

It is an arithmetic number, because the mean of its divisors is an integer number (185391725400).

Almost surely, 2^{2657457137423} is an apocalyptic number.

2657457137423 is a deficient number, since it is larger than the sum of its proper divisors (308810468977).

2657457137423 is a wasteful number, since it uses less digits than its factorization.

2657457137423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25121062.

The product of its digits is 29635200, while the sum is 56.

The spelling of 2657457137423 in words is "two trillion, six hundred fifty-seven billion, four hundred fifty-seven million, one hundred thirty-seven thousand, four hundred twenty-three".