1023413511 has 16 divisors (see below), whose sum is σ = 1443194240. Its totient is φ = 643295520.

The previous prime is 1023413471. The next prime is 1023413513. The reversal of 1023413511 is 1153143201.

It is not a de Polignac number, because 1023413511 - 2¹⁰ = 1023412487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023413513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30520 + ... + 54573.

It is an arithmetic number, because the mean of its divisors is an integer number (90199640).

Almost surely, 2^1023413511 is an apocalyptic number.

1023413511 is a deficient number, since it is larger than the sum of its proper divisors (419780729).

1023413511 is a wasteful number, since it uses less digits than its factorization.

1023413511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85326.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1023413511 is about 31990.8347968602. The cubic root of 1023413511 is about 1007.7443735217.

Adding to 1023413511 its reverse (1153143201), we get a palindrome (2176556712).

The spelling of 1023413511 in words is "one billion, twenty-three million, four hundred thirteen thousand, five hundred eleven".