97398623 has 8 divisors (see below), whose sum is σ = 113584800. Its totient is φ = 83484240.

The previous prime is 97398619. The next prime is 97398641. The reversal of 97398623 is 32689379.

It is not a de Polignac number, because 97398623 - 2² = 97398619 is a prime.

It is a super-2 number, since 2×97398623² = 18972983524592258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97394623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141638 + ... + 142323.

It is an arithmetic number, because the mean of its divisors is an integer number (14198100).

Almost surely, 2^97398623 is an apocalyptic number.

97398623 is a deficient number, since it is larger than the sum of its proper divisors (16186177).

97398623 is an equidigital number, since it uses as much as digits as its factorization.

97398623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283982 (or 283968 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 97398623 is about 9869.0740700432. The cubic root of 97398623 is about 460.0986288199.

The spelling of 97398623 in words is "ninety-seven million, three hundred ninety-eight thousand, six hundred twenty-three".