23663263140 has 72 divisors (see below), whose sum is σ = 78303895488. Its totient is φ = 5736548160.

The previous prime is 23663263123. The next prime is 23663263153. The reversal of 23663263140 is 4136236632.

23663263140 is a `hidden beast` number, since 2 + 3 + 6 + 632 + 6 + 3 + 14 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23663263095 and 23663263104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5973592 + ... + 5977551.

It is an arithmetic number, because the mean of its divisors is an integer number (1087554104).

Almost surely, 2^23663263140 is an apocalyptic number.

23663263140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23663263140 is an abundant number, since it is smaller than the sum of its proper divisors (54640632348).

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

23663263140 is a wasteful number, since it uses less digits than its factorization.

23663263140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11951169 (or 11951164 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

Adding to 23663263140 its reverse (4136236632), we get a palindrome (27799499772).

The spelling of 23663263140 in words is "twenty-three billion, six hundred sixty-three million, two hundred sixty-three thousand, one hundred forty".