97443623 has 4 divisors (see below), whose sum is σ = 97545360. Its totient is φ = 97341888.

The previous prime is 97443613. The next prime is 97443637. The reversal of 97443623 is 32634479.

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 97443623 - 2¹² = 97439527 is a prime.

It is a super-2 number, since 2×97443623² = 18990519326732258, which 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 (97443613) 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, 49418 + ... + 51351.

It is an arithmetic number, because the mean of its divisors is an integer number (24386340).

Almost surely, 2^97443623 is an apocalyptic number.

97443623 is a deficient number, since it is larger than the sum of its proper divisors (101737).

97443623 is a wasteful number, since it uses less digits than its factorization.

97443623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101736.

The product of its digits is 108864, while the sum is 38.

The square root of 97443623 is about 9871.3536559076. The cubic root of 97443623 is about 460.1694759903.

The spelling of 97443623 in words is "ninety-seven million, four hundred forty-three thousand, six hundred twenty-three".