26670023 has 2 divisors, whose sum is σ = 26670024. Its totient is φ = 26670022.

The previous prime is 26670001. The next prime is 26670029. The reversal of 26670023 is 32007662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26670023 - 2¹⁸ = 26407879 is a prime.

It is a super-2 number, since 2×26670023² = 1422580253641058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26669974 and 26670001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26670029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13335011 + 13335012.

It is an arithmetic number, because the mean of its divisors is an integer number (13335012).

Almost surely, 2^26670023 is an apocalyptic number.

26670023 is a deficient number, since it is larger than the sum of its proper divisors (1).

26670023 is an equidigital number, since it uses as much as digits as its factorization.

26670023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 26670023 is about 5164.3027602959. The cubic root of 26670023 is about 298.7728501514.

Adding to 26670023 its reverse (32007662), we get a palindrome (58677685).

The spelling of 26670023 in words is "twenty-six million, six hundred seventy thousand, twenty-three".