23653204945920 has 1056 divisors, whose sum is σ = 93862148889600. Its totient is φ = 5451509268480.

The previous prime is 23653204945919. The next prime is 23653204945921. The reversal of 23653204945920 is 2954940235632.

It is a happy number.

23653204945920 is a `hidden beast` number, since 2 + 3 + 6 + 5 + 3 + 2 + 0 + 49 + 4 + 592 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (23653204945919) and next prime (23653204945921).

It is a tau number, because it is divible by the number of its divisors (1056).

It is not an unprimeable number, because it can be changed into a prime (23653204945921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1946920006 + ... + 1946932154.

Almost surely, 2^{23653204945920} is an apocalyptic number.

23653204945920 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 23653204945920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46931074444800).

23653204945920 is an abundant number, since it is smaller than the sum of its proper divisors (70208943943680).

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

23653204945920 is a wasteful number, since it uses less digits than its factorization.

23653204945920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12381 (or 12360 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 54.

The spelling of 23653204945920 in words is "twenty-three trillion, six hundred fifty-three billion, two hundred four million, nine hundred forty-five thousand, nine hundred twenty".