1145040623 has 2 divisors, whose sum is σ = 1145040624. Its totient is φ = 1145040622.

The previous prime is 1145040601. The next prime is 1145040683. The reversal of 1145040623 is 3260405411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145040623 - 2¹² = 1145036527 is a prime.

It is a super-2 number, since 2×1145040623² = 2622236056640456258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1145040592 and 1145040601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145040683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572520311 + 572520312.

It is an arithmetic number, because the mean of its divisors is an integer number (572520312).

Almost surely, 2^1145040623 is an apocalyptic number.

1145040623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145040623 is an equidigital number, since it uses as much as digits as its factorization.

1145040623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1145040623 is about 33838.4488858458. The cubic root of 1145040623 is about 1046.1813286758.

The spelling of 1145040623 in words is "one billion, one hundred forty-five million, forty thousand, six hundred twenty-three".