23466203640 has 384 divisors, whose sum is σ = 90482857920. Its totient is φ = 5208883200.

The previous prime is 23466203599. The next prime is 23466203689. The reversal of 23466203640 is 4630266432.

23466203640 is a `hidden beast` number, since 2 + 3 + 4 + 6 + 6 + 2 + 0 + 3 + 640 = 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 = 23466203595 and 23466203604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2486130 + ... + 2495550.

Almost surely, 2^23466203640 is an apocalyptic number.

23466203640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23466203640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45241428960).

23466203640 is an abundant number, since it is smaller than the sum of its proper divisors (67016654280).

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

23466203640 is a wasteful number, since it uses less digits than its factorization.

23466203640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9503 (or 9496 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 23466203640 in words is "twenty-three billion, four hundred sixty-six million, two hundred three thousand, six hundred forty".