245344023 has 12 divisors (see below), whose sum is σ = 356367960. Its totient is φ = 162647856.

The previous prime is 245344009. The next prime is 245344027. The reversal of 245344023 is 320443542.

It is a de Polignac number, because none of the positive numbers 2^k-245344023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245344027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74536 + ... + 77757.

It is an arithmetic number, because the mean of its divisors is an integer number (29697330).

Almost surely, 2^245344023 is an apocalyptic number.

245344023 is a deficient number, since it is larger than the sum of its proper divisors (111023937).

245344023 is a wasteful number, since it uses less digits than its factorization.

245344023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152478 (or 152475 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 245344023 is about 15663.4613990650. The cubic root of 245344023 is about 626.0252169953.

Adding to 245344023 its reverse (320443542), we get a palindrome (565787565).

The spelling of 245344023 in words is "two hundred forty-five million, three hundred forty-four thousand, twenty-three".