1370623 has 2 divisors, whose sum is σ = 1370624. Its totient is φ = 1370622.

The previous prime is 1370617. The next prime is 1370657. The reversal of 1370623 is 3260731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1370623 - 2⁹ = 1370111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1370594 and 1370603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685311 + 685312.

It is an arithmetic number, because the mean of its divisors is an integer number (685312).

2^1370623 is an apocalyptic number.

1370623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370623 is an equidigital number, since it uses as much as digits as its factorization.

1370623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 1370623 is about 1170.7360932337. The cubic root of 1370623 is about 111.0808868533.

The spelling of 1370623 in words is "one million, three hundred seventy thousand, six hundred twenty-three".