623155533374123 has 16 divisors (see below), whose sum is σ = 655298761944960. Its totient is φ = 591725269968000.

The previous prime is 623155533374071. The next prime is 623155533374167. The reversal of 623155533374123 is 321473335551326.

It is a cyclic number.

It is not a de Polignac number, because 623155533374123 - 2¹⁴ = 623155533357739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623155533374183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10133603 + ... + 36728748.

It is an arithmetic number, because the mean of its divisors is an integer number (40956172621560).

Almost surely, 2^{623155533374123} is an apocalyptic number.

623155533374123 is a deficient number, since it is larger than the sum of its proper divisors (32143228570837).

623155533374123 is a wasteful number, since it uses less digits than its factorization.

623155533374123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46869958.

The product of its digits is 20412000, while the sum is 53.

The spelling of 623155533374123 in words is "six hundred twenty-three trillion, one hundred fifty-five billion, five hundred thirty-three million, three hundred seventy-four thousand, one hundred twenty-three".