7257143203323 has 32 divisors (see below), whose sum is σ = 10548629118720. Its totient is φ = 4411053709440.

The previous prime is 7257143203313. The next prime is 7257143203337. The reversal of 7257143203323 is 3233023417527.

It is a happy number.

It is not a de Polignac number, because 7257143203323 - 2⁵ = 7257143203291 is a prime.

It is a super-2 number, since 2×7257143203323² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7257143203313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13127113 + ... + 13668773.

It is an arithmetic number, because the mean of its divisors is an integer number (329644659960).

Almost surely, 2^{7257143203323} is an apocalyptic number.

7257143203323 is a deficient number, since it is larger than the sum of its proper divisors (3291485915397).

7257143203323 is a wasteful number, since it uses less digits than its factorization.

7257143203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545899.

The product of its (nonzero) digits is 635040, while the sum is 42.

The spelling of 7257143203323 in words is "seven trillion, two hundred fifty-seven billion, one hundred forty-three million, two hundred three thousand, three hundred twenty-three".