110721423 has 16 divisors (see below), whose sum is σ = 150617600. Its totient is φ = 72334080.

The previous prime is 110721421. The next prime is 110721461. The reversal of 110721423 is 324127011.

It is not a de Polignac number, because 110721423 - 2¹ = 110721421 is a prime.

It is a super-2 number, since 2×110721423² = 24518467022289858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110721423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110721421) 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, 31263 + ... + 34623.

It is an arithmetic number, because the mean of its divisors is an integer number (9413600).

Almost surely, 2^110721423 is an apocalyptic number.

110721423 is a deficient number, since it is larger than the sum of its proper divisors (39896177).

110721423 is a wasteful number, since it uses less digits than its factorization.

110721423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 110721423 is about 10522.4247680846. The cubic root of 110721423 is about 480.1871709288.

Adding to 110721423 its reverse (324127011), we get a palindrome (434848434).

The spelling of 110721423 in words is "one hundred ten million, seven hundred twenty-one thousand, four hundred twenty-three".