2571154232123 has 4 divisors (see below), whose sum is σ = 2606375523048. Its totient is φ = 2535932941200.

The previous prime is 2571154232111. The next prime is 2571154232147. The reversal of 2571154232123 is 3212324511752.

2571154232123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2571154232123 - 2³⁴ = 2553974362939 is a prime.

It is a super-2 number, since 2×2571154232123² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2571154232723) 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, 17610645353 + ... + 17610645498.

It is an arithmetic number, because the mean of its divisors is an integer number (651593880762).

Almost surely, 2^{2571154232123} is an apocalyptic number.

2571154232123 is a deficient number, since it is larger than the sum of its proper divisors (35221290925).

2571154232123 is an equidigital number, since it uses as much as digits as its factorization.

2571154232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35221290924.

The product of its digits is 100800, while the sum is 38.

Adding to 2571154232123 its reverse (3212324511752), we get a palindrome (5783478743875).

The spelling of 2571154232123 in words is "two trillion, five hundred seventy-one billion, one hundred fifty-four million, two hundred thirty-two thousand, one hundred twenty-three".