97523943 has 12 divisors (see below), whose sum is σ = 142928184. Its totient is φ = 59105200.

The previous prime is 97523939. The next prime is 97523969. The reversal of 97523943 is 34932579.

It is not a de Polignac number, because 97523943 - 2² = 97523939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97523895 and 97523904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97523983) 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 in 11 ways as a sum of consecutive naturals, for example, 133968 + ... + 134693.

It is an arithmetic number, because the mean of its divisors is an integer number (11910682).

Almost surely, 2^97523943 is an apocalyptic number.

97523943 is a deficient number, since it is larger than the sum of its proper divisors (45404241).

97523943 is a wasteful number, since it uses less digits than its factorization.

97523943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268686 (or 268675 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The square root of 97523943 is about 9875.4211555761. The cubic root of 97523943 is about 460.2958761266.

It can be divided in two parts, 9752 and 3943, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 97523943 in words is "ninety-seven million, five hundred twenty-three thousand, nine hundred forty-three".