1523228006831 has 4 divisors (see below), whose sum is σ = 1523245709592. Its totient is φ = 1523210304072.

The previous prime is 1523228006813. The next prime is 1523228006897. The reversal of 1523228006831 is 1386008223251.

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 1523228006831 - 2¹⁰ = 1523228005807 is a prime.

It is a super-2 number, since 2×1523228006831² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1523228000831) 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, 8721680 + ... + 8894613.

It is an arithmetic number, because the mean of its divisors is an integer number (380811427398).

Almost surely, 2^{1523228006831} is an apocalyptic number.

1523228006831 is a deficient number, since it is larger than the sum of its proper divisors (17702761).

1523228006831 is an equidigital number, since it uses as much as digits as its factorization.

1523228006831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17702760.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 1523228006831 in words is "one trillion, five hundred twenty-three billion, two hundred twenty-eight million, six thousand, eight hundred thirty-one".