1023431422342 has 12 divisors (see below), whose sum is σ = 1785783400380. Its totient is φ = 438613466676.

The previous prime is 1023431422339. The next prime is 1023431422373. The reversal of 1023431422342 is 2432241343201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5221588792 + ... + 5221588987.

It is an arithmetic number, because the mean of its divisors is an integer number (148815283365).

Almost surely, 2^{1023431422342} is an apocalyptic number.

1023431422342 is a deficient number, since it is larger than the sum of its proper divisors (762351978038).

1023431422342 is a wasteful number, since it uses less digits than its factorization.

1023431422342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10443177795 (or 10443177788 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1023431422342 its reverse (2432241343201), we get a palindrome (3455672765543).

The spelling of 1023431422342 in words is "one trillion, twenty-three billion, four hundred thirty-one million, four hundred twenty-two thousand, three hundred forty-two".