623303436 has 96 divisors (see below), whose sum is σ = 1852623360. Its totient is φ = 158782464.

The previous prime is 623303431. The next prime is 623303441. The reversal of 623303436 is 634303326.

It is an interprime number because it is at equal distance from previous prime (623303431) and next prime (623303441).

It is not an unprimeable number, because it can be changed into a prime (623303431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15646 + ... + 38618.

It is an arithmetic number, because the mean of its divisors is an integer number (19298160).

Almost surely, 2^623303436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623303436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926311680).

623303436 is an abundant number, since it is smaller than the sum of its proper divisors (1229319924).

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

623303436 is a wasteful number, since it uses less digits than its factorization.

623303436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23023 (or 23021 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

The square root of 623303436 is about 24966.0456620587. The cubic root of 623303436 is about 854.2136499791.

The spelling of 623303436 in words is "six hundred twenty-three million, three hundred three thousand, four hundred thirty-six".