26420772423 has 4 divisors (see below), whose sum is σ = 35227696568. Its totient is φ = 17613848280.

The previous prime is 26420772421. The next prime is 26420772439. The reversal of 26420772423 is 32427702462.

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

It is not a de Polignac number, because 26420772423 - 2¹ = 26420772421 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 (26420772421) 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, 4403462068 + ... + 4403462073.

It is an arithmetic number, because the mean of its divisors is an integer number (8806924142).

Almost surely, 2^26420772423 is an apocalyptic number.

26420772423 is a deficient number, since it is larger than the sum of its proper divisors (8806924145).

26420772423 is an equidigital number, since it uses as much as digits as its factorization.

26420772423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8806924144.

The product of its (nonzero) digits is 225792, while the sum is 39.

The spelling of 26420772423 in words is "twenty-six billion, four hundred twenty million, seven hundred seventy-two thousand, four hundred twenty-three".