97423387 has 2 divisors, whose sum is σ = 97423388. Its totient is φ = 97423386.

The previous prime is 97423369. The next prime is 97423409. The reversal of 97423387 is 78332479.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97423387 is a prime.

It is not a weakly prime, because it can be changed into another prime (97423357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48711693 + 48711694.

It is an arithmetic number, because the mean of its divisors is an integer number (48711694).

Almost surely, 2^97423387 is an apocalyptic number.

97423387 is a deficient number, since it is larger than the sum of its proper divisors (1).

97423387 is an equidigital number, since it uses as much as digits as its factorization.

97423387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 97423387 is about 9870.3286166166. The cubic root of 97423387 is about 460.1376195044.

The spelling of 97423387 in words is "ninety-seven million, four hundred twenty-three thousand, three hundred eighty-seven".