100523537497 has 4 divisors (see below), whose sum is σ = 101140246480. Its totient is φ = 99906828516.

The previous prime is 100523537483. The next prime is 100523537533. The reversal of 100523537497 is 794735325001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 794735325001 = 619 ⋅1283901979.

It is a cyclic number.

It is not a de Polignac number, because 100523537497 - 2¹⁹ = 100523013209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100523537417) 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, 308354247 + ... + 308354572.

It is an arithmetic number, because the mean of its divisors is an integer number (25285061620).

Almost surely, 2^100523537497 is an apocalyptic number.

It is an amenable number.

100523537497 is a deficient number, since it is larger than the sum of its proper divisors (616708983).

100523537497 is an equidigital number, since it uses as much as digits as its factorization.

100523537497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616708982.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 100523537497 in words is "one hundred billion, five hundred twenty-three million, five hundred thirty-seven thousand, four hundred ninety-seven".