2141523 has 24 divisors (see below), whose sum is σ = 3260400. Its totient is φ = 1353024.

The previous prime is 2141519. The next prime is 2141533. The reversal of 2141523 is 3251412.

2141523 is a `hidden beast` number, since 2 + 141 + 523 = 666.

It is not a de Polignac number, because 2141523 - 2² = 2141519 is a prime.

It is a super-2 number, since 2×2141523² = 9172241519058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2141496 and 2141505.

It is not an unprimeable number, because it can be changed into a prime (2141533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19593 + ... + 19701.

It is an arithmetic number, because the mean of its divisors is an integer number (135850).

2^2141523 is an apocalyptic number.

2141523 is a deficient number, since it is larger than the sum of its proper divisors (1118877).

2141523 is a wasteful number, since it uses less digits than its factorization.

2141523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 208 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2141523 is about 1463.3943419325. The cubic root of 2141523 is about 128.8964375231.

Adding to 2141523 its reverse (3251412), we get a palindrome (5392935).

The spelling of 2141523 in words is "two million, one hundred forty-one thousand, five hundred twenty-three".