23212213297 has 8 divisors (see below), whose sum is σ = 28568878016. Its totient is φ = 18365707152.

The previous prime is 23212213279. The next prime is 23212213337. The reversal of 23212213297 is 79231221232.

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

It is not a de Polignac number, because 23212213297 - 2⁷ = 23212213169 is a prime.

It is a super-2 number, since 2×23212213297² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23212213207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127539543 + ... + 127539724.

It is an arithmetic number, because the mean of its divisors is an integer number (3571109752).

Almost surely, 2^23212213297 is an apocalyptic number.

It is an amenable number.

23212213297 is a deficient number, since it is larger than the sum of its proper divisors (5356664719).

23212213297 is a wasteful number, since it uses less digits than its factorization.

23212213297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255079287.

The product of its digits is 18144, while the sum is 34.

The spelling of 23212213297 in words is "twenty-three billion, two hundred twelve million, two hundred thirteen thousand, two hundred ninety-seven".