23001253 has 6 divisors (see below), whose sum is σ = 25282502. Its totient is φ = 20910120.

The previous prime is 23001241. The next prime is 23001257. The reversal of 23001253 is 35210032.

It can be written as a sum of positive squares in only one way, i.e., 15856324 + 7144929 = 3982^2 + 2673^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23001253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94926 + ... + 95167.

Almost surely, 2^23001253 is an apocalyptic number.

It is an amenable number.

23001253 is a deficient number, since it is larger than the sum of its proper divisors (2281249).

23001253 is a wasteful number, since it uses less digits than its factorization.

23001253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190115 (or 190104 counting only the distinct ones).

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

The square root of 23001253 is about 4795.9621558140. The cubic root of 23001253 is about 284.3918621890.

Adding to 23001253 its reverse (35210032), we get a palindrome (58211285).

It can be divided in two parts, 2300 and 1253, that added together give a palindrome (3553).

The spelling of 23001253 in words is "twenty-three million, one thousand, two hundred fifty-three".