772321240523 has 16 divisors (see below), whose sum is σ = 897165077760. Its totient is φ = 651106490400.

The previous prime is 772321240501. The next prime is 772321240549. The reversal of 772321240523 is 325042123277.

It is a cyclic number.

It is not a de Polignac number, because 772321240523 - 2²⁰ = 772320191947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (772321240573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16022168 + ... + 16070298.

It is an arithmetic number, because the mean of its divisors is an integer number (56072817360).

Almost surely, 2^772321240523 is an apocalyptic number.

772321240523 is a deficient number, since it is larger than the sum of its proper divisors (124843837237).

772321240523 is a wasteful number, since it uses less digits than its factorization.

772321240523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85778.

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 772321240523 in words is "seven hundred seventy-two billion, three hundred twenty-one million, two hundred forty thousand, five hundred twenty-three".