23521210152 has 64 divisors (see below), whose sum is σ = 64163404800. Its totient is φ = 7126011840.

The previous prime is 23521210129. The next prime is 23521210201. The reversal of 23521210152 is 25101212532.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677073 + ... + 1691039.

It is an arithmetic number, because the mean of its divisors is an integer number (1002553200).

Almost surely, 2^23521210152 is an apocalyptic number.

23521210152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23521210152 is an abundant number, since it is smaller than the sum of its proper divisors (40642194648).

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

23521210152 is a wasteful number, since it uses less digits than its factorization.

23521210152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20366 (or 20362 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 23521210152 its reverse (25101212532), we get a palindrome (48622422684).

The spelling of 23521210152 in words is "twenty-three billion, five hundred twenty-one million, two hundred ten thousand, one hundred fifty-two".