7542340023443 has 4 divisors (see below), whose sum is σ = 7542410454888. Its totient is φ = 7542269592000.

The previous prime is 7542340023431. The next prime is 7542340023479. The reversal of 7542340023443 is 3443200432457.

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 7542340023443 - 2¹⁰ = 7542340022419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7542340023443.

It is not an unprimeable number, because it can be changed into a prime (7542340023143) 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, 35054846 + ... + 35269347.

It is an arithmetic number, because the mean of its divisors is an integer number (1885602613722).

Almost surely, 2^{7542340023443} is an apocalyptic number.

7542340023443 is a deficient number, since it is larger than the sum of its proper divisors (70431445).

7542340023443 is a wasteful number, since it uses less digits than its factorization.

7542340023443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70431444.

The product of its (nonzero) digits is 967680, while the sum is 41.

The spelling of 7542340023443 in words is "seven trillion, five hundred forty-two billion, three hundred forty million, twenty-three thousand, four hundred forty-three".