245163661323 has 32 divisors (see below), whose sum is σ = 382789017600. Its totient is φ = 139512078720.

The previous prime is 245163661313. The next prime is 245163661333. The reversal of 245163661323 is 323166361542.

It is an interprime number because it is at equal distance from previous prime (245163661313) and next prime (245163661333).

It is not a de Polignac number, because 245163661323 - 2¹² = 245163657227 is a prime.

It is a super-2 number, since 2×245163661323² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245163661313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246315 + ... + 742292.

It is an arithmetic number, because the mean of its divisors is an integer number (11962156800).

Almost surely, 2^245163661323 is an apocalyptic number.

245163661323 is a deficient number, since it is larger than the sum of its proper divisors (137625356277).

245163661323 is an equidigital number, since it uses as much as digits as its factorization.

245163661323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988872 (or 988858 counting only the distinct ones).

The product of its digits is 466560, while the sum is 42.

The spelling of 245163661323 in words is "two hundred forty-five billion, one hundred sixty-three million, six hundred sixty-one thousand, three hundred twenty-three".