690622023 has 48 divisors (see below), whose sum is σ = 1157444736. Its totient is φ = 363061440.

The previous prime is 690622021. The next prime is 690622033. The reversal of 690622023 is 320226096.

It is not a de Polignac number, because 690622023 - 2¹ = 690622021 is a prime.

It is a super-2 number, since 2×690622023² = 953917557305225058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690622021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 999108 + ... + 999798.

It is an arithmetic number, because the mean of its divisors is an integer number (24113432).

Almost surely, 2^690622023 is an apocalyptic number.

690622023 is a deficient number, since it is larger than the sum of its proper divisors (466822713).

690622023 is a wasteful number, since it uses less digits than its factorization.

690622023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 690622023 is about 26279.6884113948. The cubic root of 690622023 is about 883.9210458719.

The spelling of 690622023 in words is "six hundred ninety million, six hundred twenty-two thousand, twenty-three".