253121024343 has 8 divisors (see below), whose sum is σ = 368176035456. Its totient is φ = 153406681400.

The previous prime is 253121024311. The next prime is 253121024347. The reversal of 253121024343 is 343420121352.

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 253121024343 - 2⁵ = 253121024311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253121024343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253121024347) 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, 3835167003 + ... + 3835167068.

It is an arithmetic number, because the mean of its divisors is an integer number (46022004432).

Almost surely, 2^253121024343 is an apocalyptic number.

253121024343 is a deficient number, since it is larger than the sum of its proper divisors (115055011113).

253121024343 is a wasteful number, since it uses less digits than its factorization.

253121024343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670334085.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 253121024343 its reverse (343420121352), we get a palindrome (596541145695).

The spelling of 253121024343 in words is "two hundred fifty-three billion, one hundred twenty-one million, twenty-four thousand, three hundred forty-three".