1970923 has 2 divisors, whose sum is σ = 1970924. Its totient is φ = 1970922.

The previous prime is 1970921. The next prime is 1970957. The reversal of 1970923 is 3290791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1970923 - 2¹ = 1970921 is a prime.

Together with 1970921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1970921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985461 + 985462.

It is an arithmetic number, because the mean of its divisors is an integer number (985462).

2^1970923 is an apocalyptic number.

1970923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970923 is an equidigital number, since it uses as much as digits as its factorization.

1970923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1970923 is about 1403.8956513929. The cubic root of 1970923 is about 125.3785431501.

The spelling of 1970923 in words is "one million, nine hundred seventy thousand, nine hundred twenty-three".