623424654465242 has 16 divisors (see below), whose sum is σ = 1068766627560192. Its totient is φ = 267172332651600.

The previous prime is 623424654465187. The next prime is 623424654465251. The reversal of 623424654465242 is 242564456424326.

It is a happy number.

It is a super-2 number, since 2×623424654465242² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804775634 + ... + 805549917.

It is an arithmetic number, because the mean of its divisors is an integer number (66797914222512).

Almost surely, 2^{623424654465242} is an apocalyptic number.

623424654465242 is a deficient number, since it is larger than the sum of its proper divisors (445341973094950).

623424654465242 is a wasteful number, since it uses less digits than its factorization.

623424654465242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610353213.

The product of its digits is 265420800, while the sum is 59.

The spelling of 623424654465242 in words is "six hundred twenty-three trillion, four hundred twenty-four billion, six hundred fifty-four million, four hundred sixty-five thousand, two hundred forty-two".