1523722852428 has 48 divisors (see below), whose sum is σ = 4070555967744. Its totient is φ = 434567776320.

The previous prime is 1523722852423. The next prime is 1523722852441. The reversal of 1523722852428 is 8242582273251.

It is a super-2 number, since 2×1523722852428² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1523722852423) 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 15 ways as a sum of consecutive naturals, for example, 16236478 + ... + 16330053.

It is an arithmetic number, because the mean of its divisors is an integer number (84803249328).

Almost surely, 2^{1523722852428} is an apocalyptic number.

It is an amenable number.

1523722852428 is an abundant number, since it is smaller than the sum of its proper divisors (2546833115316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1523722852428 is a wasteful number, since it uses less digits than its factorization.

1523722852428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32567102 (or 32567100 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 51.

The spelling of 1523722852428 in words is "one trillion, five hundred twenty-three billion, seven hundred twenty-two million, eight hundred fifty-two thousand, four hundred twenty-eight".