1023962691172 has 12 divisors (see below), whose sum is σ = 1792470118320. Its totient is φ = 511828371656.

The previous prime is 1023962691149. The next prime is 1023962691179. The reversal of 1023962691172 is 2711962693201.

It is not an unprimeable number, because it can be changed into a prime (1023962691179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38228422 + ... + 38255197.

It is an arithmetic number, because the mean of its divisors is an integer number (149372509860).

Almost surely, 2^{1023962691172} is an apocalyptic number.

It is an amenable number.

1023962691172 is a deficient number, since it is larger than the sum of its proper divisors (768507427148).

1023962691172 is a wasteful number, since it uses less digits than its factorization.

1023962691172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76486970 (or 76486968 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 1023962691172 in words is "one trillion, twenty-three billion, nine hundred sixty-two million, six hundred ninety-one thousand, one hundred seventy-two".