2013923 has 2 divisors, whose sum is σ = 2013924. Its totient is φ = 2013922.

The previous prime is 2013911. The next prime is 2013937. The reversal of 2013923 is 3293102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013923 - 2⁶ = 2013859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2013895 and 2013904.

It is not a weakly prime, because it can be changed into another prime (2013983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006961 + 1006962.

It is an arithmetic number, because the mean of its divisors is an integer number (1006962).

2^2013923 is an apocalyptic number.

2013923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013923 is an equidigital number, since it uses as much as digits as its factorization.

2013923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2013923 is about 1419.1275488835. The cubic root of 2013923 is about 126.2837938486.

The spelling of 2013923 in words is "two million, thirteen thousand, nine hundred twenty-three".