23561002253 has 8 divisors (see below), whose sum is σ = 24949140480. Its totient is φ = 22173108160.

The previous prime is 23561002247. The next prime is 23561002291. The reversal of 23561002253 is 35220016532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23561002253 - 2²⁶ = 23493893389 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 (23561002243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160718 + ... + 270096.

It is an arithmetic number, because the mean of its divisors is an integer number (3118642560).

Almost surely, 2^23561002253 is an apocalyptic number.

It is an amenable number.

23561002253 is a deficient number, since it is larger than the sum of its proper divisors (1388138227).

23561002253 is a wasteful number, since it uses less digits than its factorization.

23561002253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122067.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 23561002253 its reverse (35220016532), we get a palindrome (58781018785).

The spelling of 23561002253 in words is "twenty-three billion, five hundred sixty-one million, two thousand, two hundred fifty-three".