623066145 has 96 divisors (see below), whose sum is σ = 1161361152. Its totient is φ = 283405824.

The previous prime is 623066123. The next prime is 623066149. The reversal of 623066145 is 541660326.

It is not a de Polignac number, because 623066145 - 2⁹ = 623065633 is a prime.

It is a super-2 number, since 2×623066145² = 776422842090322050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623066149) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3730852 + ... + 3731018.

It is an arithmetic number, because the mean of its divisors is an integer number (12097512).

Almost surely, 2^623066145 is an apocalyptic number.

623066145 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

623066145 is a deficient number, since it is larger than the sum of its proper divisors (538295007).

623066145 is a wasteful number, since it uses less digits than its factorization.

623066145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 623066145 is about 24961.2929352628. The cubic root of 623066145 is about 854.1052367905.

The spelling of 623066145 in words is "six hundred twenty-three million, sixty-six thousand, one hundred forty-five".