698652023 has 4 divisors (see below), whose sum is σ = 702690648. Its totient is φ = 694613400.

The previous prime is 698652007. The next prime is 698652061. The reversal of 698652023 is 320256896.

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

It is a cyclic number.

It is not a de Polignac number, because 698652023 - 2⁴ = 698652007 is a prime.

It is a super-2 number, since 2×698652023² = 976229298483985058, which contains 22 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 (698652083) 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, 2019053 + ... + 2019398.

It is an arithmetic number, because the mean of its divisors is an integer number (175672662).

Almost surely, 2^698652023 is an apocalyptic number.

698652023 is a deficient number, since it is larger than the sum of its proper divisors (4038625).

698652023 is a wasteful number, since it uses less digits than its factorization.

698652023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038624.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 698652023 is about 26432.0264641211. The cubic root of 698652023 is about 887.3336954275. Note that the first 3 decimals are identical.

The spelling of 698652023 in words is "six hundred ninety-eight million, six hundred fifty-two thousand, twenty-three".