97323452431 has 4 divisors (see below), whose sum is σ = 97331090632. Its totient is φ = 97315814232.

The previous prime is 97323452353. The next prime is 97323452477. The reversal of 97323452431 is 13425432379.

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 97323452431 - 2⁹ = 97323451919 is a prime.

It is a super-2 number, since 2×97323452431² (a number of 23 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 (97329452431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3799956 + ... + 3825481.

It is an arithmetic number, because the mean of its divisors is an integer number (24332772658).

Almost surely, 2^97323452431 is an apocalyptic number.

97323452431 is a deficient number, since it is larger than the sum of its proper divisors (7638201).

97323452431 is a wasteful number, since it uses less digits than its factorization.

97323452431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638200.

The product of its digits is 544320, while the sum is 43.

The spelling of 97323452431 in words is "ninety-seven billion, three hundred twenty-three million, four hundred fifty-two thousand, four hundred thirty-one".