7343643523 has 4 divisors (see below), whose sum is σ = 7596872640. Its totient is φ = 7090414408.

The previous prime is 7343643509. The next prime is 7343643553. The reversal of 7343643523 is 3253463437.

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 7343643523 - 2⁵ = 7343643491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7343643553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126614515 + ... + 126614572.

It is an arithmetic number, because the mean of its divisors is an integer number (1899218160).

Almost surely, 2^7343643523 is an apocalyptic number.

7343643523 is a deficient number, since it is larger than the sum of its proper divisors (253229117).

7343643523 is a wasteful number, since it uses less digits than its factorization.

7343643523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253229116.

The product of its digits is 544320, while the sum is 40.

The square root of 7343643523 is about 85695.0612520932. The cubic root of 7343643523 is about 1943.7356301733.

The spelling of 7343643523 in words is "seven billion, three hundred forty-three million, six hundred forty-three thousand, five hundred twenty-three".