1056623 has 2 divisors, whose sum is σ = 1056624. Its totient is φ = 1056622.

The previous prime is 1056617. The next prime is 1056641. The reversal of 1056623 is 3266501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056623 is a prime.

It is a super-2 number, since 2×1056623² = 2232904328258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528311 + 528312.

It is an arithmetic number, because the mean of its divisors is an integer number (528312).

2^1056623 is an apocalyptic number.

1056623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056623 is an equidigital number, since it uses as much as digits as its factorization.

1056623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1056623 is about 1027.9216896243. The cubic root of 1056623 is about 101.8528893011.

The spelling of 1056623 in words is "one million, fifty-six thousand, six hundred twenty-three".