97923011 has 2 divisors, whose sum is σ = 97923012. Its totient is φ = 97923010.

The previous prime is 97922977. The next prime is 97923013. The reversal of 97923011 is 11032979.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97923011 - 2¹⁰ = 97921987 is a prime.

It is a super-2 number, since 2×97923011² = 19177832166612242, which contains 22 as substring.

Together with 97923013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97923013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48961505 + 48961506.

It is an arithmetic number, because the mean of its divisors is an integer number (48961506).

Almost surely, 2^97923011 is an apocalyptic number.

97923011 is a deficient number, since it is larger than the sum of its proper divisors (1).

97923011 is an equidigital number, since it uses as much as digits as its factorization.

97923011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 97923011 is about 9895.6056408893. The cubic root of 97923011 is about 460.9228653042.

Subtracting from 97923011 its sum of digits (32), we obtain a palindrome (97922979).

The spelling of 97923011 in words is "ninety-seven million, nine hundred twenty-three thousand, eleven".