798721023 has 16 divisors (see below), whose sum is σ = 1114073856. Its totient is φ = 508041600.

The previous prime is 798721009. The next prime is 798721037. The reversal of 798721023 is 320127897.

It is an interprime number because it is at equal distance from previous prime (798721009) and next prime (798721037).

It is not a de Polignac number, because 798721023 - 2⁹ = 798720511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798721073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13236 + ... + 42102.

It is an arithmetic number, because the mean of its divisors is an integer number (69629616).

Almost surely, 2^798721023 is an apocalyptic number.

798721023 is a deficient number, since it is larger than the sum of its proper divisors (315352833).

798721023 is a wasteful number, since it uses less digits than its factorization.

798721023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29294.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 798721023 is about 28261.6528709840. The cubic root of 798721023 is about 927.8227957418.

The spelling of 798721023 in words is "seven hundred ninety-eight million, seven hundred twenty-one thousand, twenty-three".