97853715123 has 16 divisors (see below), whose sum is σ = 132318688416. Its totient is φ = 64313084160.

The previous prime is 97853715097. The next prime is 97853715149. The reversal of 97853715123 is 32151735879.

It is an interprime number because it is at equal distance from previous prime (97853715097) and next prime (97853715149).

It is not a de Polignac number, because 97853715123 - 2¹² = 97853711027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97853715023) 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 15 ways as a sum of consecutive naturals, for example, 390033 + ... + 589773.

It is an arithmetic number, because the mean of its divisors is an integer number (8269918026).

Almost surely, 2^97853715123 is an apocalyptic number.

97853715123 is a deficient number, since it is larger than the sum of its proper divisors (34464973293).

97853715123 is a wasteful number, since it uses less digits than its factorization.

97853715123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202054.

The product of its digits is 1587600, while the sum is 51.

The spelling of 97853715123 in words is "ninety-seven billion, eight hundred fifty-three million, seven hundred fifteen thousand, one hundred twenty-three".