23813427855 has 32 divisors (see below), whose sum is σ = 43555276800. Its totient is φ = 10883457792.

The previous prime is 23813427853. The next prime is 23813427857. The reversal of 23813427855 is 55872431832.

It is a Cunningham number, because it is equal to 154316²-1.

It is an interprime number because it is at equal distance from previous prime (23813427853) and next prime (23813427857).

It is not a de Polignac number, because 23813427855 - 2¹ = 23813427853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23813427851) 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, 437226 + ... + 488664.

It is an arithmetic number, because the mean of its divisors is an integer number (1361102400).

Almost surely, 2^23813427855 is an apocalyptic number.

23813427855 is a deficient number, since it is larger than the sum of its proper divisors (19741848945).

23813427855 is a wasteful number, since it uses less digits than its factorization.

23813427855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55863.

The product of its digits is 1612800, while the sum is 48.

The spelling of 23813427855 in words is "twenty-three billion, eight hundred thirteen million, four hundred twenty-seven thousand, eight hundred fifty-five".