26988723 has 6 divisors (see below), whose sum is σ = 38983724. Its totient is φ = 17992476.

The previous prime is 26988719. The next prime is 26988737. The reversal of 26988723 is 32788962.

It is not a de Polignac number, because 26988723 - 2² = 26988719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26988743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1499365 + ... + 1499382.

Almost surely, 2^26988723 is an apocalyptic number.

26988723 is a deficient number, since it is larger than the sum of its proper divisors (11995001).

26988723 is a wasteful number, since it uses less digits than its factorization.

26988723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998753 (or 2998750 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 26988723 is about 5195.0671795464. The cubic root of 26988723 is about 299.9582275171.

The spelling of 26988723 in words is "twenty-six million, nine hundred eighty-eight thousand, seven hundred twenty-three".