623333052420 has 192 divisors, whose sum is σ = 1942401269760. Its totient is φ = 148319424000.

The previous prime is 623333052359. The next prime is 623333052427. The reversal of 623333052420 is 24250333326.

It is not an unprimeable number, because it can be changed into a prime (623333052427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22207395 + ... + 22235445.

It is an arithmetic number, because the mean of its divisors is an integer number (10116673280).

Almost surely, 2^623333052420 is an apocalyptic number.

623333052420 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 623333052420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971200634880).

623333052420 is an abundant number, since it is smaller than the sum of its proper divisors (1319068217340).

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

623333052420 is a wasteful number, since it uses less digits than its factorization.

623333052420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29026 (or 29024 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 33.

Adding to 623333052420 its reverse (24250333326), we get a palindrome (647583385746).

The spelling of 623333052420 in words is "six hundred twenty-three billion, three hundred thirty-three million, fifty-two thousand, four hundred twenty".