623242051523 has 32 divisors (see below), whose sum is σ = 815520254976. Its totient is φ = 462775218048.

The previous prime is 623242051501. The next prime is 623242051559. The reversal of 623242051523 is 325150242326.

It is not a de Polignac number, because 623242051523 - 2¹⁶ = 623241985987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (623242051723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2698265 + ... + 2920122.

It is an arithmetic number, because the mean of its divisors is an integer number (25485007968).

Almost surely, 2^623242051523 is an apocalyptic number.

623242051523 is a deficient number, since it is larger than the sum of its proper divisors (192278203453).

623242051523 is a wasteful number, since it uses less digits than its factorization.

623242051523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618483.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 623242051523 its reverse (325150242326), we get a palindrome (948392293849).

The spelling of 623242051523 in words is "six hundred twenty-three billion, two hundred forty-two million, fifty-one thousand, five hundred twenty-three".