1023427909318 has 4 divisors (see below), whose sum is σ = 1535141863980. Its totient is φ = 511713954658.

The previous prime is 1023427909241. The next prime is 1023427909319. The reversal of 1023427909318 is 8139097243201.

It is a happy number.

1023427909318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023427909319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255856977328 + ... + 255856977331.

It is an arithmetic number, because the mean of its divisors is an integer number (383785465995).

Almost surely, 2^{1023427909318} is an apocalyptic number.

1023427909318 is a deficient number, since it is larger than the sum of its proper divisors (511713954662).

1023427909318 is an equidigital number, since it uses as much as digits as its factorization.

1023427909318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511713954661.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 1023427909318 in words is "one trillion, twenty-three billion, four hundred twenty-seven million, nine hundred nine thousand, three hundred eighteen".