245420323 has 4 divisors (see below), whose sum is σ = 250642080. Its totient is φ = 240198568.

The previous prime is 245420317. The next prime is 245420339. The reversal of 245420323 is 323024542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245420323 is a prime.

It is a super-2 number, since 2×245420323² = 120462269882848658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245420303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2610808 + ... + 2610901.

It is an arithmetic number, because the mean of its divisors is an integer number (62660520).

Almost surely, 2^245420323 is an apocalyptic number.

245420323 is a deficient number, since it is larger than the sum of its proper divisors (5221757).

245420323 is an equidigital number, since it uses as much as digits as its factorization.

245420323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221756.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 245420323 is about 15665.8968144183. The cubic root of 245420323 is about 626.0901065230.

Adding to 245420323 its reverse (323024542), we get a palindrome (568444865).

The spelling of 245420323 in words is "two hundred forty-five million, four hundred twenty thousand, three hundred twenty-three".