1043023643542 has 16 divisors (see below), whose sum is σ = 1603016100000. Its totient is φ = 508690042560.

The previous prime is 1043023643531. The next prime is 1043023643561. The reversal of 1043023643542 is 2453463203401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862317 + ... + 1682152.

It is an arithmetic number, because the mean of its divisors is an integer number (100188506250).

Almost surely, 2^{1043023643542} is an apocalyptic number.

1043023643542 is a deficient number, since it is larger than the sum of its proper divisors (559992456458).

1043023643542 is a wasteful number, since it uses less digits than its factorization.

1043023643542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549511.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 1043023643542 its reverse (2453463203401), we get a palindrome (3496486846943).

The spelling of 1043023643542 in words is "one trillion, forty-three billion, twenty-three million, six hundred forty-three thousand, five hundred forty-two".