7899021120323 has 4 divisors (see below), whose sum is σ = 7899027084000. Its totient is φ = 7899015156648.

The previous prime is 7899021120317. The next prime is 7899021120329. The reversal of 7899021120323 is 3230211209987.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (7899021120317) and next prime (7899021120329).

It is a cyclic number.

It is not a de Polignac number, because 7899021120323 - 2⁶ = 7899021120259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7899021120329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3323 + ... + 3974676.

It is an arithmetic number, because the mean of its divisors is an integer number (1974756771000).

Almost surely, 2^{7899021120323} is an apocalyptic number.

7899021120323 is a deficient number, since it is larger than the sum of its proper divisors (5963677).

7899021120323 is a wasteful number, since it uses less digits than its factorization.

7899021120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963676.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 7899021120323 in words is "seven trillion, eight hundred ninety-nine billion, twenty-one million, one hundred twenty thousand, three hundred twenty-three".