7543223457 has 16 divisors (see below), whose sum is σ = 12539384832. Its totient is φ = 3918557520.

The previous prime is 7543223453. The next prime is 7543223473.

7543223457 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7543223457 - 2² = 7543223453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7543223453) 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, 16327093 + ... + 16327554.

It is an arithmetic number, because the mean of its divisors is an integer number (783711552).

Almost surely, 2^7543223457 is an apocalyptic number.

7543223457 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

7543223457 is a deficient number, since it is larger than the sum of its proper divisors (4996161375).

7543223457 is a wasteful number, since it uses less digits than its factorization.

7543223457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32654668.

The product of its digits is 705600, while the sum is 42.

The square root of 7543223457 is about 86851.7326079336. The cubic root of 7543223457 is about 1961.1869335275.

It can be divided in two parts, 75432 and 23457, that added together give a palindrome (98889).

The spelling of 7543223457 in words is "seven billion, five hundred forty-three million, two hundred twenty-three thousand, four hundred fifty-seven".