1956023 has 4 divisors (see below), whose sum is σ = 1960728. Its totient is φ = 1951320.

The previous prime is 1956011. The next prime is 1956029. The reversal of 1956023 is 3206591.

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 1956023 - 2⁶ = 1955959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1955983 and 1956001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1956029) 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, 1661 + ... + 2582.

It is an arithmetic number, because the mean of its divisors is an integer number (490182).

2^1956023 is an apocalyptic number.

1956023 is a deficient number, since it is larger than the sum of its proper divisors (4705).

1956023 is an equidigital number, since it uses as much as digits as its factorization.

1956023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1956023 is about 1398.5789216201. The cubic root of 1956023 is about 125.0617934475.

The spelling of 1956023 in words is "one million, nine hundred fifty-six thousand, twenty-three".