2303923 has 2 divisors, whose sum is σ = 2303924. Its totient is φ = 2303922.

The previous prime is 2303867. The next prime is 2303927. The reversal of 2303923 is 3293032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2303923 - 2¹⁷ = 2172851 is a prime.

It is a super-2 number, since 2×2303923² = 10616122379858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2303894 and 2303903.

It is not a weakly prime, because it can be changed into another prime (2303927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151961 + 1151962.

It is an arithmetic number, because the mean of its divisors is an integer number (1151962).

2^2303923 is an apocalyptic number.

2303923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303923 is an equidigital number, since it uses as much as digits as its factorization.

2303923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 2303923 is about 1517.8679125668. The cubic root of 2303923 is about 132.0756185945.

Adding to 2303923 its reverse (3293032), we get a palindrome (5596955).

The spelling of 2303923 in words is "two million, three hundred three thousand, nine hundred twenty-three".