23400153252 has 108 divisors (see below), whose sum is σ = 68951413440. Its totient is φ = 6671784672.

The previous prime is 23400153229. The next prime is 23400153311. The reversal of 23400153252 is 25235100432.

It is a happy number.

23400153252 is a `hidden beast` number, since 2 + 3 + 400 + 1 + 5 + 3 + 252 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 845449 + ... + 872687.

Almost surely, 2^23400153252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23400153252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34475706720).

23400153252 is an abundant number, since it is smaller than the sum of its proper divisors (45551260188).

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

23400153252 is a wasteful number, since it uses less digits than its factorization.

23400153252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27750 (or 27738 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 23400153252 its reverse (25235100432), we get a palindrome (48635253684).

The spelling of 23400153252 in words is "twenty-three billion, four hundred million, one hundred fifty-three thousand, two hundred fifty-two".