42197323 has 8 divisors (see below), whose sum is σ = 49402080. Its totient is φ = 35286720.

The previous prime is 42197321. The next prime is 42197329. The reversal of 42197323 is 32379124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42197323 - 2¹ = 42197321 is a prime.

It is a super-2 number, since 2×42197323² = 3561228136732658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42197321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73228 + ... + 73801.

It is an arithmetic number, because the mean of its divisors is an integer number (6175260).

Almost surely, 2^42197323 is an apocalyptic number.

42197323 is a deficient number, since it is larger than the sum of its proper divisors (7204757).

42197323 is a wasteful number, since it uses less digits than its factorization.

42197323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147077.

The product of its digits is 9072, while the sum is 31.

The square root of 42197323 is about 6495.9466592638. The cubic root of 42197323 is about 348.1461792847.

The spelling of 42197323 in words is "forty-two million, one hundred ninety-seven thousand, three hundred twenty-three".