1231023042016 has 24 divisors (see below), whose sum is σ = 2426042165904. Its totient is φ = 614885349120.

The previous prime is 1231023041993. The next prime is 1231023042049. The reversal of 1231023042016 is 6102403201321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19535925 + ... + 19598836.

It is an arithmetic number, because the mean of its divisors is an integer number (101085090246).

Almost surely, 2^{1231023042016} is an apocalyptic number.

1231023042016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1231023042016 is a deficient number, since it is larger than the sum of its proper divisors (1195019123888).

1231023042016 is an equidigital number, since it uses as much as digits as its factorization.

1231023042016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39135754 (or 39135746 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1231023042016 its reverse (6102403201321), we get a palindrome (7333426243337).

The spelling of 1231023042016 in words is "one trillion, two hundred thirty-one billion, twenty-three million, forty-two thousand, sixteen".