12198023 has 2 divisors, whose sum is σ = 12198024. Its totient is φ = 12198022.

The previous prime is 12198007. The next prime is 12198029. The reversal of 12198023 is 32089121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12198023 - 2⁴ = 12198007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12197983 and 12198001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12198029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6099011 + 6099012.

It is an arithmetic number, because the mean of its divisors is an integer number (6099012).

Almost surely, 2^12198023 is an apocalyptic number.

12198023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12198023 is an equidigital number, since it uses as much as digits as its factorization.

12198023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12198023 is about 3492.5668211217. The cubic root of 12198023 is about 230.1953161321.

The spelling of 12198023 in words is "twelve million, one hundred ninety-eight thousand, twenty-three".