2152123 has 2 divisors, whose sum is σ = 2152124. Its totient is φ = 2152122.

The previous prime is 2152103. The next prime is 2152127. The reversal of 2152123 is 3212512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2152123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2152097 and 2152106.

It is not a weakly prime, because it can be changed into another prime (2152127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076061 + 1076062.

It is an arithmetic number, because the mean of its divisors is an integer number (1076062).

2^2152123 is an apocalyptic number.

2152123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152123 is an equidigital number, since it uses as much as digits as its factorization.

2152123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 16.

The square root of 2152123 is about 1467.0115882296. The cubic root of 2152123 is about 129.1087559108.

Adding to 2152123 its reverse (3212512), we get a palindrome (5364635).

The spelling of 2152123 in words is "two million, one hundred fifty-two thousand, one hundred twenty-three".