23213332253 has 4 divisors (see below), whose sum is σ = 23651319708. Its totient is φ = 22775344800.

The previous prime is 23213332249. The next prime is 23213332277. The reversal of 23213332253 is 35223331232.

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 18839758564 + 4373573689 = 137258^2 + 66133^2 .

It is a cyclic number.

It is not a de Polignac number, because 23213332253 - 2² = 23213332249 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 (23213332243) 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, 218993648 + ... + 218993753.

It is an arithmetic number, because the mean of its divisors is an integer number (5912829927).

Almost surely, 2^23213332253 is an apocalyptic number.

It is an amenable number.

23213332253 is a deficient number, since it is larger than the sum of its proper divisors (437987455).

23213332253 is an equidigital number, since it uses as much as digits as its factorization.

23213332253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437987454.

The product of its digits is 19440, while the sum is 29.

Adding to 23213332253 its reverse (35223331232), we get a palindrome (58436663485).

The spelling of 23213332253 in words is "twenty-three billion, two hundred thirteen million, three hundred thirty-two thousand, two hundred fifty-three".