23626322465 has 4 divisors (see below), whose sum is σ = 28351586964. Its totient is φ = 18901057968.

The previous prime is 23626322443. The next prime is 23626322497. The reversal of 23626322465 is 56422362632.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16224645376 + 7401677089 = 127376^2 + 86033^2 .

It is a cyclic number.

It is not a de Polignac number, because 23626322465 - 2¹² = 23626318369 is a prime.

It is a super-2 number, since 2×23626322465² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2362632242 + ... + 2362632251.

It is an arithmetic number, because the mean of its divisors is an integer number (7087896741).

Almost surely, 2^23626322465 is an apocalyptic number.

It is an amenable number.

23626322465 is a deficient number, since it is larger than the sum of its proper divisors (4725264499).

23626322465 is an equidigital number, since it uses as much as digits as its factorization.

23626322465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725264498.

The product of its digits is 622080, while the sum is 41.

The spelling of 23626322465 in words is "twenty-three billion, six hundred twenty-six million, three hundred twenty-two thousand, four hundred sixty-five".