53431126797923 has 4 divisors (see below), whose sum is σ = 61064144911920. Its totient is φ = 45798108683928.

The previous prime is 53431126797913. The next prime is 53431126797929. The reversal of 53431126797923 is 32979762113435.

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 53431126797923 - 2⁴ = 53431126797907 is a prime.

It is a super-2 number, since 2×53431126797923² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53431126797929) 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, 3816509056988 + ... + 3816509057001.

It is an arithmetic number, because the mean of its divisors is an integer number (15266036227980).

Almost surely, 2^{53431126797923} is an apocalyptic number.

53431126797923 is a deficient number, since it is larger than the sum of its proper divisors (7633018113997).

53431126797923 is an equidigital number, since it uses as much as digits as its factorization.

53431126797923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7633018113996.

The product of its digits is 51438240, while the sum is 62.

The spelling of 53431126797923 in words is "fifty-three trillion, four hundred thirty-one billion, one hundred twenty-six million, seven hundred ninety-seven thousand, nine hundred twenty-three".