787481233523 has 4 divisors (see below), whose sum is σ = 821719548048. Its totient is φ = 753242919000.

The previous prime is 787481233519. The next prime is 787481233531. The reversal of 787481233523 is 325332184787.

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 787481233523 - 2² = 787481233519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (787489233523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17119157228 + ... + 17119157273.

It is an arithmetic number, because the mean of its divisors is an integer number (205429887012).

Almost surely, 2^787481233523 is an apocalyptic number.

787481233523 is a deficient number, since it is larger than the sum of its proper divisors (34238314525).

787481233523 is a wasteful number, since it uses less digits than its factorization.

787481233523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34238314524.

The product of its digits is 6773760, while the sum is 53.

The spelling of 787481233523 in words is "seven hundred eighty-seven billion, four hundred eighty-one million, two hundred thirty-three thousand, five hundred twenty-three".