2223746840623 has 12 divisors (see below), whose sum is σ = 2793467106640. Its totient is φ = 1732789745280.

The previous prime is 2223746840569. The next prime is 2223746840639. The reversal of 2223746840623 is 3260486473222.

It is not a de Polignac number, because 2223746840623 - 2³⁷ = 2086307887151 is a prime.

It is a super-2 number, since 2×2223746840623² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223746840663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1312718658 + ... + 1312720351.

Almost surely, 2^{2223746840623} is an apocalyptic number.

2223746840623 is a deficient number, since it is larger than the sum of its proper divisors (569720266017).

2223746840623 is a wasteful number, since it uses less digits than its factorization.

2223746840623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625439038 (or 2625439027 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 49.

The spelling of 2223746840623 in words is "two trillion, two hundred twenty-three billion, seven hundred forty-six million, eight hundred forty thousand, six hundred twenty-three".