253544230121 has 8 divisors (see below), whose sum is σ = 312054437184. Its totient is φ = 200606423760.

The previous prime is 253544230111. The next prime is 253544230151. The reversal of 253544230121 is 121032445352.

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

It is a cyclic number.

It is not a de Polignac number, because 253544230121 - 2²² = 253540035817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253544230111) 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, 1393100075 + ... + 1393100256.

It is an arithmetic number, because the mean of its divisors is an integer number (39006804648).

Almost surely, 2^253544230121 is an apocalyptic number.

It is an amenable number.

253544230121 is a deficient number, since it is larger than the sum of its proper divisors (58510207063).

253544230121 is a wasteful number, since it uses less digits than its factorization.

253544230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786200351.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 253544230121 its reverse (121032445352), we get a palindrome (374576675473).

The spelling of 253544230121 in words is "two hundred fifty-three billion, five hundred forty-four million, two hundred thirty thousand, one hundred twenty-one".