42251323 has 2 divisors, whose sum is σ = 42251324. Its totient is φ = 42251322.

The previous prime is 42251317. The next prime is 42251351. The reversal of 42251323 is 32315224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42251323 - 2⁵ = 42251291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42251294 and 42251303.

It is not a weakly prime, because it can be changed into another prime (42251303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21125661 + 21125662.

It is an arithmetic number, because the mean of its divisors is an integer number (21125662).

Almost surely, 2^42251323 is an apocalyptic number.

42251323 is a deficient number, since it is larger than the sum of its proper divisors (1).

42251323 is an equidigital number, since it uses as much as digits as its factorization.

42251323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 22.

The square root of 42251323 is about 6500.1017684341. The cubic root of 42251323 is about 348.2946237722.

Adding to 42251323 its reverse (32315224), we get a palindrome (74566547).

The spelling of 42251323 in words is "forty-two million, two hundred fifty-one thousand, three hundred twenty-three".