16331123 has 2 divisors, whose sum is σ = 16331124. Its totient is φ = 16331122.

The previous prime is 16331111. The next prime is 16331131. The reversal of 16331123 is 32113361.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16331123 - 2¹⁰ = 16330099 is a prime.

It is a super-2 number, since 2×16331123² = 533411156882258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16331095 and 16331104.

It is not a weakly prime, because it can be changed into another prime (16331323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8165561 + 8165562.

It is an arithmetic number, because the mean of its divisors is an integer number (8165562).

Almost surely, 2^16331123 is an apocalyptic number.

16331123 is a deficient number, since it is larger than the sum of its proper divisors (1).

16331123 is an equidigital number, since it uses as much as digits as its factorization.

16331123 is an evil number, because the sum of its binary digits is even.

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

The square root of 16331123 is about 4041.1784172442. The cubic root of 16331123 is about 253.7106414078.

Adding to 16331123 its reverse (32113361), we get a palindrome (48444484).

The spelling of 16331123 in words is "sixteen million, three hundred thirty-one thousand, one hundred twenty-three".