23519497764 has 24 divisors (see below), whose sum is σ = 62718660928. Its totient is φ = 6719856480.

The previous prime is 23519497763. The next prime is 23519497783. The reversal of 23519497764 is 46779491532.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23519497763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139996927 + ... + 139997094.

Almost surely, 2^23519497764 is an apocalyptic number.

It is an amenable number.

23519497764 is an abundant number, since it is smaller than the sum of its proper divisors (39199163164).

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

23519497764 is a wasteful number, since it uses less digits than its factorization.

23519497764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279994035 (or 279994033 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 57.

The spelling of 23519497764 in words is "twenty-three billion, five hundred nineteen million, four hundred ninety-seven thousand, seven hundred sixty-four".