1947023 has 4 divisors (see below), whose sum is σ = 2096808. Its totient is φ = 1797240.

The previous prime is 1946999. The next prime is 1947041. The reversal of 1947023 is 3207491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1947023 - 2⁸ = 1946767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1946983 and 1947001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1947073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74873 + ... + 74898.

It is an arithmetic number, because the mean of its divisors is an integer number (524202).

2^1947023 is an apocalyptic number.

1947023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1947023 is a deficient number, since it is larger than the sum of its proper divisors (149785).

1947023 is a wasteful number, since it uses less digits than its factorization.

1947023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149784.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1947023 is about 1395.3576602434. The cubic root of 1947023 is about 124.8696881979.

The spelling of 1947023 in words is "one million, nine hundred forty-seven thousand, twenty-three".