623064540 has 96 divisors (see below), whose sum is σ = 2009677824. Its totient is φ = 141281280.

The previous prime is 623064529. The next prime is 623064551. The reversal of 623064540 is 45460326.

623064540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (623064529) and next prime (623064551).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 623064498 and 623064507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47500 + ... + 59180.

It is an arithmetic number, because the mean of its divisors is an integer number (20934144).

Almost surely, 2^623064540 is an apocalyptic number.

623064540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623064540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004838912).

623064540 is an abundant number, since it is smaller than the sum of its proper divisors (1386613284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623064540 is a wasteful number, since it uses less digits than its factorization.

623064540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11827 (or 11825 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 623064540 is about 24961.2607854651. The cubic root of 623064540 is about 854.1045034065.

The spelling of 623064540 in words is "six hundred twenty-three million, sixty-four thousand, five hundred forty".