1523953323 has 24 divisors (see below), whose sum is σ = 2237490528. Its totient is φ = 999378432.

The previous prime is 1523953309. The next prime is 1523953331. The reversal of 1523953323 is 3233593251.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1523953323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1523954323) 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 23 ways as a sum of consecutive naturals, for example, 140565 + ... + 151017.

It is an arithmetic number, because the mean of its divisors is an integer number (93228772).

Almost surely, 2^1523953323 is an apocalyptic number.

1523953323 is a deficient number, since it is larger than the sum of its proper divisors (713537205).

1523953323 is a wasteful number, since it uses less digits than its factorization.

1523953323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10723 (or 10720 counting only the distinct ones).

The product of its digits is 72900, while the sum is 36.

The square root of 1523953323 is about 39037.8447535209. The cubic root of 1523953323 is about 1150.7753619261.

The spelling of 1523953323 in words is "one billion, five hundred twenty-three million, nine hundred fifty-three thousand, three hundred twenty-three".