1065219023 has 18 divisors (see below), whose sum is σ = 1183938336. Its totient is φ = 957682000.

The previous prime is 1065218989. The next prime is 1065219049. The reversal of 1065219023 is 3209125601.

It is not a de Polignac number, because 1065219023 - 2⁸ = 1065218767 is a prime.

It is a super-2 number, since 2×1065219023² = 2269383133922149058, which 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 (1065219223) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1233890 + ... + 1234752.

It is an arithmetic number, because the mean of its divisors is an integer number (65774352).

Almost surely, 2^1065219023 is an apocalyptic number.

1065219023 is a deficient number, since it is larger than the sum of its proper divisors (118719313).

1065219023 is an equidigital number, since it uses as much as digits as its factorization.

1065219023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1065219023 is about 32637.6932855249. The cubic root of 1065219023 is about 1021.2834743458.

The spelling of 1065219023 in words is "one billion, sixty-five million, two hundred nineteen thousand, twenty-three".