1023343404042 has 64 divisors (see below), whose sum is σ = 2209215441024. Its totient is φ = 314813491200.

The previous prime is 1023343404007. The next prime is 1023343404053. The reversal of 1023343404042 is 2404043433201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9683653 + ... + 9788759.

It is an arithmetic number, because the mean of its divisors is an integer number (34518991266).

Almost surely, 2^{1023343404042} is an apocalyptic number.

1023343404042 is an abundant number, since it is smaller than the sum of its proper divisors (1185872036982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023343404042 is a wasteful number, since it uses less digits than its factorization.

1023343404042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106983.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 1023343404042 its reverse (2404043433201), we get a palindrome (3427386837243).

The spelling of 1023343404042 in words is "one trillion, twenty-three billion, three hundred forty-three million, four hundred four thousand, forty-two".