1045520023 has 2 divisors, whose sum is σ = 1045520024. Its totient is φ = 1045520022.

The previous prime is 1045519963. The next prime is 1045520027. The reversal of 1045520023 is 3200255401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1045520023 - 2⁹ = 1045519511 is a prime.

It is a super-2 number, since 2×1045520023² = 2186224236987841058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1045519976 and 1045520003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045520027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522760011 + 522760012.

It is an arithmetic number, because the mean of its divisors is an integer number (522760012).

Almost surely, 2^1045520023 is an apocalyptic number.

1045520023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045520023 is an equidigital number, since it uses as much as digits as its factorization.

1045520023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1045520023 is about 32334.5020527609. The cubic root of 1045520023 is about 1014.9487620038.

Adding to 1045520023 its reverse (3200255401), we get a palindrome (4245775424).

The spelling of 1045520023 in words is "one billion, forty-five million, five hundred twenty thousand, twenty-three".