623211380946 has 160 divisors (see below), whose sum is σ = 1741974018048. Its totient is φ = 161785784160.

The previous prime is 623211380941. The next prime is 623211380993. The reversal of 623211380946 is 649083112326.

623211380946 is a `hidden beast` number, since 623 + 2 + 1 + 13 + 8 + 0 + 9 + 4 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (623211380941) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24972951 + ... + 24997893.

Almost surely, 2^623211380946 is an apocalyptic number.

623211380946 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 623211380946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870987009024).

623211380946 is an abundant number, since it is smaller than the sum of its proper divisors (1118762637102).

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

623211380946 is a wasteful number, since it uses less digits than its factorization.

623211380946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26978 (or 26969 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

It can be divided in two parts, 623211380 and 946, that added together give a palindrome (623212326).

The spelling of 623211380946 in words is "six hundred twenty-three billion, two hundred eleven million, three hundred eighty thousand, nine hundred forty-six".