23211332608 has 22 divisors (see below), whose sum is σ = 46399999946. Its totient is φ = 11605665792.

The previous prime is 23211332593. The next prime is 23211332609. The reversal of 23211332608 is 80623311232.

It can be written as a sum of positive squares in only one way, i.e., 23211131904 + 200704 = 152352^2 + 448^2 .

It is a super-2 number, since 2×23211332608² (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 23211332608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211332609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11332635 + ... + 11334682.

Almost surely, 2^23211332608 is an apocalyptic number.

It is an amenable number.

23211332608 is a deficient number, since it is larger than the sum of its proper divisors (23188667338).

23211332608 is an equidigital number, since it uses as much as digits as its factorization.

23211332608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22667337 (or 22667319 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 23211332608 in words is "twenty-three billion, two hundred eleven million, three hundred thirty-two thousand, six hundred eight".