23533116100 has 36 divisors (see below), whose sum is σ = 54995085124. Its totient is φ = 8689150080.

The previous prime is 23533116097. The next prime is 23533116109. The reversal of 23533116100 is 161133532.

It can be written as a sum of positive squares in 6 ways, for example, as 5355605124 + 18177510976 = 73182^2 + 134824^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (23533116109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9049899 + ... + 9052498.

Almost surely, 2^23533116100 is an apocalyptic number.

23533116100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23533116100 is an abundant number, since it is smaller than the sum of its proper divisors (31461969024).

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

23533116100 is a wasteful number, since it uses less digits than its factorization.

23533116100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18102424 (or 18102417 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 23533116100 its reverse (161133532), we get a palindrome (23694249632).

The spelling of 23533116100 in words is "twenty-three billion, five hundred thirty-three million, one hundred sixteen thousand, one hundred".