26409023 has 4 divisors (see below), whose sum is σ = 26727288. Its totient is φ = 26090760.

The previous prime is 26409017. The next prime is 26409029. The reversal of 26409023 is 32090462.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (26409017) and next prime (26409029).

It is a cyclic number.

It is not a de Polignac number, because 26409023 - 2⁶ = 26408959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26408983 and 26409001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26409029) 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, 159008 + ... + 159173.

It is an arithmetic number, because the mean of its divisors is an integer number (6681822).

Almost surely, 2^26409023 is an apocalyptic number.

26409023 is a deficient number, since it is larger than the sum of its proper divisors (318265).

26409023 is an equidigital number, since it uses as much as digits as its factorization.

26409023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318264.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 26409023 is about 5138.9710059505. The cubic root of 26409023 is about 297.7950296876.

Adding to 26409023 its reverse (32090462), we get a palindrome (58499485).

The spelling of 26409023 in words is "twenty-six million, four hundred nine thousand, twenty-three".