1023131222999 has 8 divisors (see below), whose sum is σ = 1036033632480. Its totient is φ = 1010276868096.

The previous prime is 1023131222959. The next prime is 1023131223011. The reversal of 1023131222999 is 9992221313201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023131222999 - 2¹² = 1023131218903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023131222909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11970794 + ... + 12055959.

It is an arithmetic number, because the mean of its divisors is an integer number (129504204060).

Almost surely, 2^{1023131222999} is an apocalyptic number.

1023131222999 is a deficient number, since it is larger than the sum of its proper divisors (12902409481).

1023131222999 is an equidigital number, since it uses as much as digits as its factorization.

1023131222999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24027289.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 1023131222999 in words is "one trillion, twenty-three billion, one hundred thirty-one million, two hundred twenty-two thousand, nine hundred ninety-nine".