623551041 has 40 divisors (see below), whose sum is σ = 1009302624. Its totient is φ = 382112640.

The previous prime is 623551037. The next prime is 623551043. The reversal of 623551041 is 140155326.

It is not a de Polignac number, because 623551041 - 2² = 623551037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 623550996 and 623551014.

It is not an unprimeable number, because it can be changed into a prime (623551043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53946 + ... + 64476.

Almost surely, 2^623551041 is an apocalyptic number.

It is an amenable number.

623551041 is a deficient number, since it is larger than the sum of its proper divisors (385751583).

623551041 is a wasteful number, since it uses less digits than its factorization.

623551041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10603 (or 10594 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 623551041 is about 24971.0040046451. The cubic root of 623551041 is about 854.3267460828.

The spelling of 623551041 in words is "six hundred twenty-three million, five hundred fifty-one thousand, forty-one".