623741404147326 has 32 divisors (see below), whose sum is σ = 1387436424480000. Its totient is φ = 207712139092920.

The previous prime is 623741404147313. The next prime is 623741404147397.

It is a happy number.

623741404147326 is a `hidden beast` number, since 6 + 2 + 3 + 7 + 4 + 140 + 4 + 1 + 473 + 26 = 666.

623741404147326 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×623741404147326² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5601674076 + ... + 5601785423.

It is an arithmetic number, because the mean of its divisors is an integer number (43357388265000).

Almost surely, 2^{623741404147326} is an apocalyptic number.

623741404147326 is an abundant number, since it is smaller than the sum of its proper divisors (763695020332674).

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

623741404147326 is a wasteful number, since it uses less digits than its factorization.

623741404147326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11203460541 (or 11203460535 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 54.

The spelling of 623741404147326 in words is "six hundred twenty-three trillion, seven hundred forty-one billion, four hundred four million, one hundred forty-seven thousand, three hundred twenty-six".