97723331 has 4 divisors (see below), whose sum is σ = 98129064. Its totient is φ = 97317600.

The previous prime is 97723321. The next prime is 97723357. The reversal of 97723331 is 13332779.

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 97723331 - 2⁶ = 97723267 is a prime.

It is a super-2 number, since 2×97723331² = 19099698843471122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97723291 and 97723300.

It is not an unprimeable number, because it can be changed into a prime (97723321) 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, 202505 + ... + 202986.

It is an arithmetic number, because the mean of its divisors is an integer number (24532266).

Almost surely, 2^97723331 is an apocalyptic number.

97723331 is a deficient number, since it is larger than the sum of its proper divisors (405733).

97723331 is a wasteful number, since it uses less digits than its factorization.

97723331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405732.

The product of its digits is 23814, while the sum is 35.

The square root of 97723331 is about 9885.5111653369. The cubic root of 97723331 is about 460.6093546969.

The spelling of 97723331 in words is "ninety-seven million, seven hundred twenty-three thousand, three hundred thirty-one".