245451403423 has 8 divisors (see below), whose sum is σ = 258378879600. Its totient is φ = 232524825408.

The previous prime is 245451403367. The next prime is 245451403429. The reversal of 245451403423 is 324304154542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245451403423 is a prime.

It is a super-2 number, since 2×245451403423² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245451403429) 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, 377883 + ... + 796051.

It is an arithmetic number, because the mean of its divisors is an integer number (32297359950).

Almost surely, 2^245451403423 is an apocalyptic number.

245451403423 is a deficient number, since it is larger than the sum of its proper divisors (12927476177).

245451403423 is a wasteful number, since it uses less digits than its factorization.

245451403423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449081.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 245451403423 its reverse (324304154542), we get a palindrome (569755557965).

The spelling of 245451403423 in words is "two hundred forty-five billion, four hundred fifty-one million, four hundred three thousand, four hundred twenty-three".