23212653455 has 4 divisors (see below), whose sum is σ = 27855184152. Its totient is φ = 18570122760.

The previous prime is 23212653391. The next prime is 23212653487. The reversal of 23212653455 is 55435621232.

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

It is not a de Polignac number, because 23212653455 - 2⁶ = 23212653391 is a prime.

It is a Duffinian number.

It is a congruent 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, 2321265341 + ... + 2321265350.

It is an arithmetic number, because the mean of its divisors is an integer number (6963796038).

Almost surely, 2^23212653455 is an apocalyptic number.

23212653455 is a deficient number, since it is larger than the sum of its proper divisors (4642530697).

23212653455 is an equidigital number, since it uses as much as digits as its factorization.

23212653455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642530696.

The product of its digits is 216000, while the sum is 38.

The spelling of 23212653455 in words is "twenty-three billion, two hundred twelve million, six hundred fifty-three thousand, four hundred fifty-five".