97152623 has 4 divisors (see below), whose sum is σ = 97281720. Its totient is φ = 97023528.

The previous prime is 97152611. The next prime is 97152641. The reversal of 97152623 is 32625179.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32625179 = 61 ⋅534839.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97152623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97152673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63413 + ... + 64926.

It is an arithmetic number, because the mean of its divisors is an integer number (24320430).

Almost surely, 2^97152623 is an apocalyptic number.

97152623 is a deficient number, since it is larger than the sum of its proper divisors (129097).

97152623 is a wasteful number, since it uses less digits than its factorization.

97152623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129096.

The product of its digits is 22680, while the sum is 35.

The square root of 97152623 is about 9856.6030152381. The cubic root of 97152623 is about 459.7109447402.

The spelling of 97152623 in words is "ninety-seven million, one hundred fifty-two thousand, six hundred twenty-three".