298470857623 has 4 divisors (see below), whose sum is σ = 300618130120. Its totient is φ = 296323585128.

The previous prime is 298470857579. The next prime is 298470857627. The reversal of 298470857623 is 326758074892.

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-298470857623 is a prime.

It is a super-4 number, since 4×298470857623⁴ (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298470857627) 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, 1073636040 + ... + 1073636317.

It is an arithmetic number, because the mean of its divisors is an integer number (75154532530).

Almost surely, 2^298470857623 is an apocalyptic number.

298470857623 is a deficient number, since it is larger than the sum of its proper divisors (2147272497).

298470857623 is a wasteful number, since it uses less digits than its factorization.

298470857623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147272496.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 298470857623 in words is "two hundred ninety-eight billion, four hundred seventy million, eight hundred fifty-seven thousand, six hundred twenty-three".