253121942327 has 4 divisors (see below), whose sum is σ = 258507515616. Its totient is φ = 247736369040.

The previous prime is 253121942321. The next prime is 253121942369. The reversal of 253121942327 is 723249121352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253121942327 - 2⁸ = 253121942071 is a prime.

It is a super-2 number, since 2×253121942327² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253121942321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692786574 + ... + 2692786667.

It is an arithmetic number, because the mean of its divisors is an integer number (64626878904).

Almost surely, 2^253121942327 is an apocalyptic number.

253121942327 is a deficient number, since it is larger than the sum of its proper divisors (5385573289).

253121942327 is an equidigital number, since it uses as much as digits as its factorization.

253121942327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385573288.

The product of its digits is 181440, while the sum is 41.

The spelling of 253121942327 in words is "two hundred fifty-three billion, one hundred twenty-one million, nine hundred forty-two thousand, three hundred twenty-seven".