23319489680 has 20 divisors (see below), whose sum is σ = 54217813692. Its totient is φ = 9327795840.

The previous prime is 23319489671. The next prime is 23319489689. The reversal of 23319489680 is 8698491332.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23319489671) and next prime (23319489689).

It can be written as a sum of positive squares in 2 ways, for example, as 14662303744 + 8657185936 = 121088^2 + 93044^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (23319489689) 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, 145746731 + ... + 145746890.

Almost surely, 2^23319489680 is an apocalyptic number.

23319489680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23319489680 is an abundant number, since it is smaller than the sum of its proper divisors (30898324012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23319489680 is a wasteful number, since it uses less digits than its factorization.

23319489680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291493634 (or 291493628 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 23319489680 in words is "twenty-three billion, three hundred nineteen million, four hundred eighty-nine thousand, six hundred eighty".