108721023 has 16 divisors (see below), whose sum is σ = 151877376. Its totient is φ = 69048320.

The previous prime is 108721007. The next prime is 108721037. The reversal of 108721023 is 320127801.

It is a cyclic number.

It is not a de Polignac number, because 108721023 - 2⁴ = 108721007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108720984 and 108721002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108721003) 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, 14668 + ... + 20798.

It is an arithmetic number, because the mean of its divisors is an integer number (9492336).

Almost surely, 2^108721023 is an apocalyptic number.

108721023 is a deficient number, since it is larger than the sum of its proper divisors (43156353).

108721023 is a wasteful number, since it uses less digits than its factorization.

108721023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 108721023 is about 10426.9373739368. The cubic root of 108721023 is about 477.2777368957.

Adding to 108721023 its reverse (320127801), we get a palindrome (428848824).

The spelling of 108721023 in words is "one hundred eight million, seven hundred twenty-one thousand, twenty-three".