26530256423 has 32 divisors (see below), whose sum is σ = 30898298880. Its totient is φ = 22512591360.

The previous prime is 26530256399. The next prime is 26530256429. The reversal of 26530256423 is 32465203562.

It is not a de Polignac number, because 26530256423 - 2¹² = 26530252327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26530256429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12378890 + ... + 12381032.

It is an arithmetic number, because the mean of its divisors is an integer number (965571840).

Almost surely, 2^26530256423 is an apocalyptic number.

26530256423 is a deficient number, since it is larger than the sum of its proper divisors (4368042457).

26530256423 is a wasteful number, since it uses less digits than its factorization.

26530256423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 26530256423 its reverse (32465203562), we get a palindrome (58995459985).

The spelling of 26530256423 in words is "twenty-six billion, five hundred thirty million, two hundred fifty-six thousand, four hundred twenty-three".