23001253000 has 96 divisors (see below), whose sum is σ = 59161054680. Its totient is φ = 8364048000.

The previous prime is 23001252983. The next prime is 23001253007. The reversal of 23001253000 is 35210032.

It can be written as a sum of positive squares in 4 ways, for example, as 3071154724 + 19930098276 = 55418^2 + 141174^2 .

It is not an unprimeable number, because it can be changed into a prime (23001253007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25954 + ... + 216046.

Almost surely, 2^23001253000 is an apocalyptic number.

23001253000 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 23001253000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29580527340).

23001253000 is an abundant number, since it is smaller than the sum of its proper divisors (36159801680).

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

23001253000 is a wasteful number, since it uses less digits than its factorization.

23001253000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190136 (or 190111 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 23001253000 its reverse (35210032), we get a palindrome (23036463032).

The spelling of 23001253000 in words is "twenty-three billion, one million, two hundred fifty-three thousand".