23215213334 has 4 divisors (see below), whose sum is σ = 34822820004. Its totient is φ = 11607606666.

The previous prime is 23215213331. The next prime is 23215213337. The reversal of 23215213334 is 43331251232.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (23215213331) and next prime (23215213337).

It is a super-2 number, since 2×23215213334² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23215213297 and 23215213306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23215213331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5803803332 + ... + 5803803335.

It is an arithmetic number, because the mean of its divisors is an integer number (8705705001).

Almost surely, 2^23215213334 is an apocalyptic number.

23215213334 is a deficient number, since it is larger than the sum of its proper divisors (11607606670).

23215213334 is a wasteful number, since it uses less digits than its factorization.

23215213334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11607606669.

The product of its digits is 12960, while the sum is 29.

Adding to 23215213334 its reverse (43331251232), we get a palindrome (66546464566).

The spelling of 23215213334 in words is "twenty-three billion, two hundred fifteen million, two hundred thirteen thousand, three hundred thirty-four".