23161554210 has 128 divisors (see below), whose sum is σ = 59036221440. Its totient is φ = 5807174400.

The previous prime is 23161554181. The next prime is 23161554217. The reversal of 23161554210 is 1245516132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23161554217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4706131 + ... + 4711049.

It is an arithmetic number, because the mean of its divisors is an integer number (461220480).

Almost surely, 2^23161554210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23161554210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29518110720).

23161554210 is an abundant number, since it is smaller than the sum of its proper divisors (35874667230).

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

23161554210 is a wasteful number, since it uses less digits than its factorization.

23161554210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 23161554210 in words is "twenty-three billion, one hundred sixty-one million, five hundred fifty-four thousand, two hundred ten".