23198023 has 2 divisors, whose sum is σ = 23198024. Its totient is φ = 23198022.

The previous prime is 23198009. The next prime is 23198029. The reversal of 23198023 is 32089132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23198023 - 2¹⁷ = 23066951 is a prime.

It is a super-2 number, since 2×23198023² = 1076296542217058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23197982 and 23198000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23198029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11599011 + 11599012.

It is an arithmetic number, because the mean of its divisors is an integer number (11599012).

Almost surely, 2^23198023 is an apocalyptic number.

23198023 is a deficient number, since it is larger than the sum of its proper divisors (1).

23198023 is an equidigital number, since it uses as much as digits as its factorization.

23198023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23198023 is about 4816.4326010025. The cubic root of 23198023 is about 285.2005277981.

The spelling of 23198023 in words is "twenty-three million, one hundred ninety-eight thousand, twenty-three".