1071326623 has 2 divisors, whose sum is σ = 1071326624. Its totient is φ = 1071326622.

The previous prime is 1071326579. The next prime is 1071326653. The reversal of 1071326623 is 3266231701.

It is a strong prime.

It is an emirp because it is prime and its reverse (3266231701) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1071326623 is a prime.

It is a super-2 number, since 2×1071326623² = 2295481466297168258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1071326653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535663311 + 535663312.

It is an arithmetic number, because the mean of its divisors is an integer number (535663312).

Almost surely, 2^1071326623 is an apocalyptic number.

1071326623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071326623 is an equidigital number, since it uses as much as digits as its factorization.

1071326623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1071326623 is about 32731.1262103827. The cubic root of 1071326623 is about 1023.2316519010.

The spelling of 1071326623 in words is "one billion, seventy-one million, three hundred twenty-six thousand, six hundred twenty-three".