23212630465 has 8 divisors (see below), whose sum is σ = 27860331240. Its totient is φ = 18566654592.

The previous prime is 23212630451. The next prime is 23212630471. The reversal of 23212630465 is 56403621232.

It can be written as a sum of positive squares in 4 ways, for example, as 1114024129 + 22098606336 = 33377^2 + 148656^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23212630465 is a prime.

It is a super-2 number, since 2×23212630465² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23212630465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401430 + ... + 455599.

It is an arithmetic number, because the mean of its divisors is an integer number (3482541405).

Almost surely, 2^23212630465 is an apocalyptic number.

It is an amenable number.

23212630465 is a deficient number, since it is larger than the sum of its proper divisors (4647700775).

23212630465 is an equidigital number, since it uses as much as digits as its factorization.

23212630465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862451.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 23212630465 in words is "twenty-three billion, two hundred twelve million, six hundred thirty thousand, four hundred sixty-five".